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Biology: Concepts and Connections, 6e (Campbell)Test Bank (1) Part (1)

Chapter 1 Introduction: The cienti!ic tudy o! "i!e

1) Which of the following statements about the leopard is false?

A) Leopards are the largest cat in the genus Panthera.

B) Leopards, like lions, can roar.

) Leopards prefer to eat their kill in trees.

!) Leopards are well"adapted for nocturnal hunting.

#) Leopards are normall$ solitar$ animals.

Answer% A

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+) Life is organied in a hierarchical fashion. Which of the following se-uences correctl$ lists thathierarch$ as it increases in compleit$?

A) ecos$stem, population, organ s$stem, cell, communit$, molecule, organ, organism, tissue

B) cell, molecule, organ s$stem, organ, population, tissue, organism, ecos$stem, communit$

) organism, organ s$stem, tissue, population, organ, communit$, cell, ecos$stem, molecule

!) molecule, cell, tissue, organ, organ s$stem, organism, population, communit$, ecos$stem

#) ecos$stem, molecule, cell, tissue, organism, organ s$stem, organ, communit$

Answer% !

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/) What is the difference between a tissue and an organ s$stem?A) &he tissue le0el of organiation is more inclusi0e than the organ s$stem le0el.

B) &issues are not composed of cells organ s$stems are composed of cells.

) A tissue cannot eist unless it is a component of an organ s$stem, whereas an organ s$stem

can eist independentl$ of tissues.

!) An organ s$stem includes tissues.

#) &issues are not considered to be li0ing organ s$stems are considered to be li0ing.

Answer% !

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2) &he tree in $our back$ard is home to two cardinals, a colon$ of ants, a wasp3s nest, two s-uirrels,and millions of bacteria. &ogether, all of these organisms represent

A) a species.

B) a communit$.

) a population.

!) an ecos$stem.

#) the biosphere.

Answer% B

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4) 5f $ou eat a hamburger, $ou are mainl$ eating ground"up beef muscle. What le0els of

organiation are represented in this ground"up muscle?

A) organism, population, and communit$

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B) organ, organ s$stem, and organism

) communit$, ecos$stem, and biosphere

!) organelle, cell, and tissue

#) tissue, organ, and organ s$stem

Answer% !

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6) Which of the following statements about ecos$stems is false?

A) &he 7web of relationships7 within an ecos$stem includes the nonli0ing components of the

en0ironment.

B) Bacteria and fungi rec$cle energ$ within an ecos$stem.

) Plants and other photos$nthetic organisms are producers in ecos$stems.

!) hemical nutrients c$cle within an ecos$stem3s structural web.

#) 5n the process of energ$ con0ersions within an ecos$stem, energ$ is e0entuall$ con0erted

to heat.

Answer% B

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8) &he ultimate source of energ$ flowing into nearl$ all ecos$stems is

A) wind.

B) sunlight.

) electricit$.

!) geothermal 0ents.

#) radioacti0it$.

Answer% B

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:) A consumer eating a producer represents

A) a transfer of chemical nutrients and energ$.

B) a transfer of chemical nutrients but not a transfer of energ$.

) a transfer of energ$ but not a transfer of chemical nutrients.

!) neither a transfer of chemical nutrients nor a transfer of energ$.

Answer% A

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; )

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B) All organisms ha0e the abilit$ to take in energ$ and use it.

) All organisms ha0e the abilit$ to respond to stimuli from the en0ironment.

!) All organisms ha0e the abilit$ to reproduce.

#) All organisms ha0e the abilit$ to maintain a constant internal temperature.

Answer% #

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11) 'rganisms that are prokar$otes are in the domains

A) Bacteria and Archaea.

B) Plantae and Animalia.

) #ukar$a and Archaea.

!) Archaea and Plantae.

#) ungi and Bacteria.

Answer% A

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1+) Which of the following is a kingdom within the domain #ukar$a?

A) iruses

B) @onera

) ungi

!) Archaea

#) Bacteria

Answer%

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1/) A h$pothesis is

A) the same as a theor$.

B) a tentati0e answer to some -uestion.

) an eplanator$ idea that is broad in scope and supported b$ a large bod$ of e0idence.

!) a widel$ accepted idea about a phenomenon.

#) a widel$ accepted theor$ that is broad in scope and supported b$ a large bod$ of e0idence.

Answer% B

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12)

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B) a concept in the earl$ stages that still needs to be tested.

) a belief that has been accepted b$ all scientists as fact.

!) a description of a belief that in0okes the supernatural.

#) an eplanation of an idea that is broad in scope with multiple lines of e0idence.

Answer% #

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16) &o be scientificall$ 0alid, a h$pothesis must be

A) phrased as a -uestion.

B) based on faith.

) controlled.

!) reasonable.

#) testable and falsifiable.

Answer% #

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18) &he role of a control in an eperiment is to

A) pro0ide a basis of comparison to the eperimental group.

B) pro0e that a h$pothesis is correct.

) ensure repeatabilit$.

!) pro0e that a h$pothesis is correct and ensure repeatabilit$.

#) counteract the negati0e effect of the eperiment.

Answer% A

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1:) A scientist performs a controlled eperiment. &his means that

A) the eperiment is repeated man$ times to ensure that the results are accurate.

B) the eperiment proceeds at a slow pace to guarantee that the scientist can carefull$ obser0e

all reactions and process all eperimental data.

) two eperiments are conducted, one differing from the other b$ onl$ a single 0ariable.

!) two eperiments are conducted, one differing from the other b$ two or more 0ariables.

#) one eperiment is performed, but the scientist controls the 0ariables.

Answer%

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Chapter # The Chemical Basis o! "i!e

1) &he four most common elements in li0ing organisms are

A) , , ', e.

B) , , ', =a.

) , , ', =.

!) , =, ', =a.

#) e, =, ', a.

Answer%

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+) Which of the following is a trace element in the human bod$?

A) carbon

B) nitrogen

) inc

!) o$gen

#) h$drogen

Answer% &opic% +.1


/) Which of the following statements regarding matter is false?

A) All life is composed of matter.

B) @atter occupies space.

) @atter has mass.

!) @atter is composed of elements.

#) @atter can be created and destro$ed.

Answer% #

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2) Which of the following statements best describes a compound?

A) A compound is a pure element.

B) A compound is less common than a pure element.

) A compound contains two or more different elements in a fied ratio.

!) A compound is eemplified b$ sodium.

#) A compound is a solution.

Answer%

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4) Which of the following particles is found in the nucleus of an atom?

A) protons and neutrons

B) protons and electrons

) onl$ neutrons

!) onl$ protons

#) onl$ electrons

Answer% A

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6) #lectrons mo0e about the nucleus of an atom in the same wa$ that

A) insects fl$ around a bright lamp at night.

B) cars are parked along the sides of a street.

) boats cross a lake.

!) people pass each other along a sidewalk.

#) birds migrate to a new winter home.

Answer% A

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8) What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons?

A) 6

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B) :

)1

!) 1+

#) 1:

Answer% !

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:) An uncharged atom of boron has an atomic number of 4 and an atomic mass of 11. ow man$

electrons does boron ha0e?

A) 11

B) 14

) >

!) 4

#) +

Answer% !

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;) &he sodium atom contains 11 electrons, 11 protons, and 1+ neutrons. What is the mass number of

sodium?

A) >

B) 11

) ++

!) +/

#) /2

Answer% !

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1>) Which of the following best describes the atomic number of an atom?

A) the number of protons in the atom

B) the number of electrons in the atom

) the number of neutrons in the atom

!) the number of protons, electrons, and neutrons in the atom

#) the net electrical charge of the atom

Answer% A

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11) &$picall$, nitrogen atoms are composed of electrons, protons, and neutrons. An isotope of

nitrogen could

A) be positi0el$ charged.

B) be negati0el$ charged.

) ha0e more than electrons and more than protons.

!) ha0e more than protons.

#) ha0e more than neutrons.

Answer% #

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1+) A radioacti0e isotope is an isotope that

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A) is stable.

B) deca$s.

) has more protons than the common 0ariant of the element.

!) has more electrons than the common 0ariant of the element.

#) has the same atomic mass, but a different atomic number than the common 0ariant of the

element.

Answer% B&opic% +.2


1/) Which of the following statements about radioacti0e isotopes is true?

A) &he nuclei of radioacti0e isotopes are unusuall$ stable, but the atoms tend to lose electrons.

B) When gi0en a choice between radioacti0e and nonradioacti0e isotopes of the same atom,

li0ing cells are more likel$ to incorporate the radioacti0e isotopes into their structures.

) &he tracers t$picall$ used for diagnosing medical problems remain radioacti0e in the bod$

for a number of $ears, but gi0e off 0er$ low le0els of radioacti0e energ$.

!) &he energ$ emitted b$ radioacti0e isotopes can break chemical bonds and cause molecular

damage in cells.#) *adioacti0e elements are natural and therefore not harmful.

Answer% !

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12) *adioacti0e isotopes

A) are fre-uentl$ added to foods as nutritional supplements.

B) can be used in conCunction with P#& scans to diagnose diseases.

) ha0e no effect on li0ing tissue.

!) do not occur naturall$.

#) are ne0er incorporated into organic compounds.

Answer% B

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14) ADn) EEEEEEEE forms when two atoms share electrons.

A) ion

B) element

) co0alent bond

!) ionic bond

#) h$drogen bondAnswer%

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16) A h$drogen atom has one electron. ow man$ co0alent bonds can h$drogen form?

A) one co0alent bond

B) four co0alent bonds

) four co0alent bonds

!) two ionic bonds

#) two isotonic bonds

Answer% A&opic% +.:

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18) Which of the following statements regarding the o$gen atom of a water molecule is true?

A) '$gen is more positi0el$ charged than the h$drogen atoms.

B) '$gen attracts electrons less strongl$ than the h$drogen atoms.

) '$gen is more electronegati0e than the h$drogen atoms.

!) '$gen is electricall$ neutral.

#) '$gen is attracted to the negati0el$ charged atoms of other molecules.Answer%

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1:) 5n a water molecule, h$drogen and o$gen are held together b$ aDn) EEEEEEEE bond.

A) double co0alent

B) ionic

) nonpolar co0alent

!) h$drogen

#) polar co0alent

Answer% #&opic% +.;


1;) &he h$drogen atoms of a water molecule are bonded to the o$gen atom b$ EEEEEEEE bonds,

whereas neighboring water molecules are held together b$ EEEEEEEE bonds.

A) h$drogen . . . ionic

B) h$drogen . . . polar co0alent

) polar co0alent . . . h$drogen

!) ionic . . . co0alent

#) polar co0alent . . . ionic

Answer%

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+>) EEEEEEEE are weak bonds that are not strong enough to hold atoms together to form molecules

but are strong enough to form bonds within and around large molecules.

A) 5onic bonds

B) o0alent bonds

) Polar co0alent bonds

!) $drogen bonds

#) Anionic bondsAnswer% !

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+1) Water molecules stick to other water molecules because

A) water molecules are neutral, and neutral molecules are attracted to each other.

B) h$drogen bonds form between the h$drogen atoms of one water molecule and the o$gen

atoms of other water molecules.

) co0alent bonds form between the h$drogen atoms of one water molecule and the o$gen

atoms of other water molecules.

!) the h$drogen atoms of adCacent water molecules are attracted to one another.#) the o$gen atoms of adCacent water molecules are attracted to one another.

Answer% B

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++) &he tendenc$ of water molecules to stick together is referred to as

A) adhesion.

B) polarit$.

) cohesion.!) transpiration.

#) e0aporation.

Answer%

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+/) Which of the following is dependent on the abilit$ of water molecules to form h$drogen bonds

with other molecules besides water?

A) the e0aporati0e cooling of skin surfaces

B) the mo0ement of water from the roots of a tree to its lea0es

) the milder temperatures of coastal regions compared to inland areas!) the abilit$ of certain insects to walk on the surface of water

#) the uni0ersalit$ of water as a sol0ent

Answer% #

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+2) Water3s surface tension and heat storage capacit$ is accounted for b$ its

A) orbitals.

B) weight.

) h$drogen bonds.

!) mass.

#) sie.

Answer%

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+4) As ice melts,

A) h$drogen bonds are broken.

B) water molecules become less tightl$ packed.

) the water becomes less dense.

!) co0alent bonds form.#) heat is released.

Answer% A

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+6) Which of the following statements about water is false?

A) 5ce is less dense than li-uid water.

B) &he h$drogen bonds in ice are less stable than the h$drogen bonds in li-uid water.

) Water naturall$ eists in all three ph$sical states on #arth.

!) loating ice on a pond insulates the li-uid water below, slowing its rate of freeing.

#) 5f ice sank, the oceans would e0entuall$ freee solid.Answer% B

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+8) A solution with a p of 8 is

A) strongl$ acidic.

B) weakl$ acidic.

) neutral.

!) weakl$ basic.#) strongl$ basic.

Answer%

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+:) Which of the following statements about p is true?

A) &he p scale is a measure of o$gen ion concentration.

B) A single unit change on the p scale is e-ui0alent to a 1F change in h$drogen ion

concentration.

) An increase in h$drogen ion concentration means a decrease in p scale units.

!) Basic p le0els are less than 8.#) &he p of solutions inside most cells is close to ;.>.

Answer%

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+;) A buffer

A) is an acid that is used to offset o0erl$ basic conditions in the bod$.

B) is a base that is used to offset o0erl$ acidic conditions in the bod$.

) donates '" ions when conditions become too acidic and accepts '" ions when

conditions become too basic.

!) donates ions when conditions become too basic and accepts ions when conditions

become too acidic.

#) donates '" ions when conditions become too basic and accepts '" ions when conditions

become too acidic.

Answer% !

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Chapter $ The %olecules o! Cells

1) Lactose intolerance is the inabilit$ toA) produce milk proteins.

B) produce lactose.

) digest cellulose.

!) digest lactose.

#) digest milk fats.

Answer% !



+) Lactose intolerance

A) is common in people of all ages, from infanc$ to adulthood.B) is most common in people of #uropean descent.

) can currentl$ be treated b$ gene therap$ to treat the underl$ing cause.

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!) does not affect the consumption of be0erages made from so$ or rice.

#) is a fatal disease with no known treatment.

Answer% !



/) 'rganic compoundsA) alwa$s contain nitrogen.

B) are s$nthesied onl$ b$ animal cells.

) alwa$s contain carbon.

!) can be s$nthesied onl$ in a laborator$.

#) alwa$s contain o$gen.

Answer%

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2) Which of the following statements regarding carbon is false?

A) arbon has a tendenc$ to form co0alent bonds.B) arbon has the abilit$ to bond with up to four other atoms.

) arbon has the capacit$ to form single and double bonds.

!) arbon has the abilit$ to bond together to form etensi0e, branched, or unbranched

7carbon skeletons.7

#) arbon has the capacit$ to form polar bonds with h$drogen.

Answer% #

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4) Which of the following statements about h$drocarbons is false?

A) $drocarbons are inorganic compounds.

B) $drocarbons are composed of a linked chain of carbon atoms, called a carbon skeleton.

) $drocarbons contain onl$ carbon and h$drogen atoms.

!) $drocarbons consist of atoms linked b$ single and double bonds.

#) $drocarbons can form straight, branched or ringed structures.

Answer% A

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6) Which of the following is a carbo$l group?

A) 'B) '

) =+

!) ''

#) (

Answer% !

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8) Which of the following is an amino group?

A) '

B) =+) ''

!) '

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#) /

Answer% B

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:) Which of the following statements about the functional groups of organic compounds is false?

A) unctional groups help make organic compounds h$drophilic.B) @an$ biological molecules ha0e two or more functional groups.

) unctional groups participate in chemical reactions.

!) All functional groups include a carbon atom of the organic compound3s skeleton.

#) unctional groups help make organic compounds soluble in water.

Answer% !

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;) Which of the following contains a carbo$l and an amino group?

A) amino acids

B) fats) sugars

!) A&P

#) 0inegar

Answer% A

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1>)

Which of the following statements about the monomers and pol$mers found in li0ing organisms is

false?

A) ells t$picall$ make all of their macromolecules from a set of 2>"4> common monomers

and a few other ingredients that are rare.

B) &he monomers used to make pol$mers are essentiall$ uni0ersal.

) @onomers ser0e as building blocks for pol$mers.

!) !=A is built from Cust four kinds of monomers.

#) @onomers are Coined together b$ the process of h$drol$sis.

Answer% #

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11) &he results of deh$dration s$nthesis can be re0ersed b$

A) condensation.

B) h$drol$sis.

) pol$meriation.

!) the addition of an amino group.

#) the addition of a phosphate group.

Answer% B

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1+) Which list below consists of onl$ pol$mers?A) sugars, amino acids, nucleic acids, lipids

B) proteins, lipids, nucleic acids, amino acids

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) proteins, lipids, nucleic acids, pol$saccharides

!) proteins, lipids, nucleotides, sugars

#) pol$saccharides, lipids, amino acids, nucleic acids

Answer%

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1/) What is the general function of en$mes within a cell?

A) to promote the s$nthesis of monomers

B) to induce chemical reactions

) to stop chemical reactions

!) to speed up chemical reactions

#) to re0erse the direction of chemical reactions

Answer% !

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12) (ucrose is formedA) from two glucose molecules.

B) from two monosaccharides through deh$dration s$nthesis.

) when ionic bonds link two monosaccharides.

!) when water molecules are added to two monosaccharides.

#) when glucose and lactose are combined.

Answer% B

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14) A disaccharide forms when

A) two monosaccharides Coin b$ deh$dration s$nthesis.

B) two starches Coin b$ deh$dration s$nthesis.

) two monosaccharides Coin b$ h$drol$sis.

!) two starches Coin b$ h$drol$sis.

#) a starch and a monosaccharide Coin b$ deh$dration s$nthesis.

Answer% A

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16) igh"fructose corn s$rup is composed primaril$ of a pol$saccharide called

A) sucrose.B) starch.

) h$drocarbon.

!) cellulose.

#) lactose.

Answer% B

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18) Which of the following lists contains onl$ pol$saccharides?

A) sucrose, starch, and cellulose

B) starch, amino acids, and gl$cogen) cellulose, starch, and gl$cogen

!) nucleotides, gl$cogen, and cellulose

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#) fructose, cellulose, and glucose

Answer%

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1:) &he storage form of carboh$drates is EEEEEEEE in animals and EEEEEEEE in plants.

A) starch . . . gl$cogenB) gl$cogen . . . starch

) cellulose . . . gl$cogen

!) gl$cogen . . . cellulose

#) chitin . . . gl$cogen

Answer% B

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1;) Which of the following organisms contain the pol$saccharide chitin?

A) animals and plants

B) plants and bacteria) fungi and insects

!) insects and plants

#) crustaceans and bacteria

Answer%

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+>) att$ acids are

A) composed of carbon, h$drogen, and o$gen in a 1%+%1 ratio.

B) composed of carbon, h$drogen, gl$cerol, and a phosphate group.

) h$drophobic.

!) composed of four linked rings.

#) components of !=A.

Answer%

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+1) Which of the following statements regarding trigl$ceride molecules is false?

A) &rigl$cerides consist of three fatt$ acids attached to a gl$cerol.

B) &rigl$cerides are h$drophobic.

) &rigl$cerides pla$ a role in energ$ storage.!) &rigl$cerides are a t$pe of fat.

#) &rigl$cerides are part of a signal pathwa$.

Answer% #

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++) att$ acids with double bonds between some of their carbons are said to be

A) unsaturated.

B) saturated.

) completel$ h$drogenated.

!) trigl$cerides.#) monogl$cerides.

Answer% A

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&opic% /.:


+/) Which of the following statements about animal cell lipids is false?

A) ats are a form of lipid that function to store energ$.

B) Phospholipids are important components of cell membranes.

) (teroids are lipids that function as signaling molecules.!) @an$ lipids function as en$mes.

#) holesterol is a t$pe of lipid that is a component of cell membranes and steroid hormones.

Answer% !

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+2) A phospholipid is composed of

A) one gl$cerol molecule linked to three fatt$ acids.

B) one fatt$ acid molecule linked to three gl$cerol molecules.

) one gl$cerol molecule linked to three phosphate groups.

!) one fatt$ acid molecule linked to one gl$cerol molecule and two phosphate groups.#) one gl$cerol molecule linked to one phosphate group and two fatt$ acids.

Answer% #

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+4) Which of the following substances is a lipid?

A) !=A

B) glucose

) cellulose

!) steroids

#) en$mes

Answer% !

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+6) A maCor t$pe of lipid found in cell membranes is

A) cellulose.

B) trigl$cerides.

) phospholipids.

!) gl$cerol.

#) waes.Answer%

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+8) Which of the following statements about anabolic steroids is false?

A) &he$ cause a general buildup of muscle mass.

B) &he$ often cause the bod$ to reduce its normal output of se hormones.

) &he$ chemicall$ resemble testosterone.

!) &he$ promote bone growth.

#) &he$ can stimulate mood swings and 0iolent beha0ior.

Answer% !&opic% /.1>


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+:) Which of the following statements about en$mes is false?

A) &he$ increase the rate of chemical reactions.

B) &he$ function as chemical catal$sts.

) &he$ regulate 0irtuall$ all chemical reactions in a cell.

!) &he$ are produced b$ cells.

#) &he$ are monomers used to build proteins.Answer% #

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+;) Which one of the following would be correctl$ classified as a protein?

A) cholesterol

B) starch

) en$mes

!) cellulose

#) liposaccharide

Answer% &opic% /.11


/>) Amino acids can be distinguished from one another b$

A) the number of * groups found on the amino acid molecules.

B) the chemical properties of their * groups.

) the t$pe of bond between the * group and the rest of the amino acid molecule.

!) the chemical properties of their amino and carbo$l groups.

#) the number of alpha carbons present in the amino acid molecules

Answer% B

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/1) Proteins differ from one another because

A) the peptide bonds linking amino acids differ from protein to protein.

B) the se-uence of amino acids in the pol$peptide chain differs from protein to protein.

) each protein contains its own uni-ue se-uence of sugar molecules.

!) the number of nucleotides found in each protein 0aries from molecule to molecule.

#) the number of nitrogen atoms in each amino acid 0aries.

Answer% B

&opic% /.1+(kill% onceptual 9nderstanding

/+) Glucose molecules are to starch as EEEEEEEE are to proteins.

A) oils

B) amino acids

) fatt$ acids

!) monosaccharides

#) lards

Answer% B

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//) Peptide bonds

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A) are used to form amino acids.

B) form between fatt$ acids.

) are formed b$ a h$drol$sis reaction.

!) link amino acids.

#) bind monosaccharides.

Answer% !

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/2) Which of the following characteristics of protein will remain intact if the protein is denatured?

A) the shape of the protein

B) the function of the protein

) the solubilit$ of the protein in water

!) the number of amino acids in the protein

#) the binding properties of the protein

Answer% !

&opic% /.1/


/4) Proteins cannot be denatured b$

A) heat.

B) changes in p.

) chemicals that destro$ h$drogen bonds.

!) changes in salt concentration.

#) freeing.

Answer% #

&opic% /.1/


/6) &he primar$ structure of a protein is

A) an H heli or a pleated sheet.

B) the amino acid se-uence of the pol$peptide chain.

) composed of two or more pol$peptide chains.

!) maintained b$ h$drogen bonds.

#) composed of irregular folds.

Answer% B

&opic% /.12


/8) Which of the following is an eample of secondar$ structure in a protein?

A) a particular amino acid se-uence

B) an alpha heli

) a globular shape

!) the Coining of two pol$peptide chains

#) a fibrous shape

Answer% B

&opic% /.12


/:) &he tertiar$ structure of a pol$peptide refers toA) its sie.

B) the presence of pleated sheets.

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) the amino acids of which it is made.

!) the o0erall three"dimensional structure.

#) the number of * groups it contains.

Answer% !

&opic% /.12


/;) A protein containing more than one pol$peptide chain ehibits the EEEEEEEE le0el of protein

structure.

A) primar$

B) secondar$

) tertiar$

!) -uaternar$

#) infinite

Answer% !

&opic% /.12


2>) Which of the following statements regarding nucleotides is false?

A) =ucleotides ha0e a nitrogenous base backbone.

B) =ucleotides contain sugar molecules.

) =ucleotides contain phosphate groups.

!) =ucleotides can be linked together to form nucleic acids.

#) =ucleotides contain nitrogenous bases.

Answer% A

&opic% /.16


21) Which of the following options correctl$ pairs a pol$mer and its monomer?

A) cellulose, amino acids

B) trigl$ceride, steroid

) !=A, nucleotides

!) collagen, nucleic acids

#) *=A, ribose

Answer%

&opic% /.16


2+) !=A differs from *=A because !=AA) contains th$mine in place of uracil.

B) consists of a single rather than a double pol$nucleotide strand.

) contains the sugar ribose rather than the sugar deo$ribose.

!) contains phosphate groups not found in *=A.

#) is alwa$s double"stranded, while *=A is ne0er double"stranded.

Answer% A

&opic% /.16


2/) Genetic information is encoded in the

A) -uaternar$ structure of a protein.B) se-uence of nucleotides in !=A.

) degree of saturation of fatt$ acids.

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!) length of gl$cogen.

#) linear se-uence of amino acids in a pol$peptide.

Answer% B

&opic% /.16

Cells and Tissues

Chapter & ' Tour o! the Cell

1) Which of the following statements about cells is true?

A) All cells ha0e cell walls.

B) All cells ha0e internal structures that mo0e.

) All cells are attached to other cells.

!) All cells are motile.

#) All cells ha0e static organelles.

Answer% B&opic% 'pening #ssa$


+) Light microscopes

A) can generall$ magnif$ obCects about 1>,>>> times without blurring.

B) t$picall$ pro0ide more resolution than an electron microscope.

) work b$ reflecting electrons off the surface of an obCect being studied.

!) use light and glass lenses to magnif$ an image.

#) are generall$ not used to 0iew bacteria.

Answer% !

&opic% 2.1


/) 'ne centimeter I EEEEEEEE millimeters.

A) >.>1

B) >.1>

) 1>

!) 1>>

#) 1,>>>

Answer%

&opic% 2.1(kill% actual *ecall

2) *esolution is the

A) abilit$ of an optical instrument to show two close obCects as separate.

B) sie of an image.

) abilit$ of an optical instrument to magnif$ an image.

!) abilit$ of an optical instrument to estimate the sie of an image.

#) distance between the lenses of a microscope.

Answer% A

&opic% 2.1


4) Which of the following statements about electron microscopes is true?

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A) #lectron microscopes focus electron beams to create a magnified image of an obCect.

B) (canning electron microscopes are used to stud$ the details of internal cell structure.

) #lectron microscopes use glass lenses to focus and magnif$ the image.

!) &ransmission electron microscopes are mainl$ used to stud$ cell surfaces.

#) (pecimens must be sectioned to be 0iewed under a scanning electron microscope.

Answer% A


6) &he idea that all li0ing things are composed of cells and that all cells come from other cells

defines

A) central dogma.

B) the laws of inheritance.

) organelle theor$.

!) cell theor$.

#) inheritance of ac-uired characteristics.

Answer% !


8) &he diameter of most animal and plant cells ranges from

A) >.>1 to >.1 micrometers.

B) >.1 to 1.> micrometers.

) 1.> to 1> micrometers.

!) 1> to 1>> micrometers.

#) 1>> to 1>>> micrometers.

Answer% !

&opic% 2.+


:) Which of the following cells has the greatest surface"to"0olume ratio?

A) bacterium

B) human red blood cell

) human muscle cell

!) frog egg

#) ostrich egg

Answer% A

&opic% 2.+


;) Archaea are composed of EEEEEEEE cells.

A) plant

B) prokar$otic

) bacterial

!) eukar$otic

#) animal

Answer% B

&opic% 2./

(kill% Application

1>) Which of the following structures is eclusi0el$ associated with prokar$otic cells?

A) a membrane"bound nucleus

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B) nucleoid

) a cell wall

!) membrane"enclosed organelles

#) ribosomes

Answer% B

&opic% 2./


11) &he nucleoid region of a prokar$otic cell

A) contains the cell3s !=A.

B) separates the *=A from the c$toplasm.

) is surrounded b$ a nucleoid membrane.

!) contains the cell3s nucleoli.

#) is the site of organelle production.

Answer% A

&opic% 2./


1+) EEEEEEEE cells lack a membrane"enclosed nucleus.

A) Plant

B) Animal

) Prokar$otic

!) #ukar$otic

#) ungal

Answer%

&opic% 2./


1/) A bacterial cell3s !=A is found in its

A) ribosomes.

B) nucleus.

) peroisome.

!) nucleoid region.

#) capsule.

Answer% !

&opic% 2./


12) &he membranous compartmentaliation of a cellA) di0ides the cell into two e-ual"sied hal0es.

B) allows different metabolic processes to occur simultaneousl$.

) re-uires the presence of a cell wall.

!) re-uires the presence of a large central 0acuole.

#) is common in prokar$otes and eukar$otes.

Answer% B

&opic% 2.2


14)

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B) are animal cells.

) are bacterial cells.

!) could be either plant or bacterial cells.

#) could be plant, animal, or bacterial cells.

Answer% A

&opic% 2.2


16) 9nlike animal cells, plant cells ha0e EEEEEEEE and EEEEEEEE. 9nlike plant cells, animal cells

ha0e EEEEEEEE.

A) chloroplasts . . . cell walls . . . centrioles

B) centrioles . . . chloroplasts . . . cell walls

) chloroplasts . . . cell walls . . . cell membranes

!) chloroplasts . . . cell walls . . . a nucleus

#) centrioles . . . cell walls . . . large central 0acuoles

Answer% A

&opic% 2.2


18) Plasma membranes are permeable to

A) large molecules such as starch.

B) large molecules such as proteins.

) small ions such as =a.

!) nonpolar molecules such as '+.

#) h$drophilic molecules such as glucose.

Answer% !

&opic% 2.4


1:) &he nucleus of a cell

A) is surrounded b$ a single la$er of membrane.

B) is contained within the nucleolus.

) is the region of the cell where ribosomes are degraded.

!) contains !=A.

#) is the primar$ location of protein s$nthesis.

Answer% !

&opic% 2.6


1;) Long fibers of !=A and protein are called

A) chromatin.

B) a nucleolus.

) a ribosome.

!) a l$sosome.

#) a central 0acuole.

Answer% A

&opic% 2.6


+>) !uring cell reproduction, chromatin fibers coil up into structures calledA) ribosomes.

B) l$sosomes.

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) peroisomes.

!) chromosomes.

#) nucleoli.

Answer% !

&opic% 2.6


+1) Which location in the cell is unlikel$ to contain ribosomes or ribosomal subunits?

A) nuclear en0elope

B) nucleolus

) plasma membrane

!) endoplasmic reticulum

#) c$toplasm

Answer%

&opic% 2.8


++) Which of the following statements regarding the endomembrane s$stem is false?A) &he endomembrane s$stem is in0ol0ed in the s$nthesis, storage, and eport of important

molecules.

B) &he endomembrane s$stem includes the rough and smooth endoplasmic reticulum.

) &he endomembrane s$stem includes the nuclear en0elope.

!) &he endomembrane s$stem is a s$stem of interrelated membranes that are all ph$sicall$

connected.

#) &he endomembrane s$stem di0ides the cell into compartments.

Answer% !

&opic% 2.:


+/) &he endomembrane s$stem includes all of the following organelles ecept the

A) plasma membrane.

B) endoplasmic reticulum.

) peroisome.

!) Golgi apparatus.

#) l$sosome.

Answer%

&opic% 2.:


+2) &he two main functions of the rough endoplasmic reticulum are the production of

A) mitochondria and proteins secreted b$ the cell.

B) h$drogen peroide and steroid hormones secreted b$ the cell.

) ribosomes and steroid hormones.

!) membrane and proteins secreted b$ the cell.

#) chromatin and mitochondria.

Answer% !

&opic% 2.;


+4) (ecretor$ proteins areA) produced b$ ribosomes on the smooth endoplasmic reticulum.

B) chemicall$ modified in the nucleus.

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) produced b$ the cell for internal use.

!) released from the cell through the plasma membrane.

#) incorporated into the mitochondrial membrane.

Answer% !

&opic% 2.;


+6) &he cells that produce hair contain a lot of EEEEEEEE, while the cells that produce the oils that

coat the hair contain a lot of EEEEEEEE.

A) smooth endoplasmic reticulum . . . l$sosomes

B) rough endoplasmic reticulum . . . smooth endoplasmic reticulum

) smooth endoplasmic reticulum . . . rough endoplasmic reticulum

!) microbodies . . . l$sosomes

#) nuclei . . . chromatin

Answer% B

&opic% 2.;


+8) &he Golgi apparatus

A) is composed of stacks of membranous 0esicles that are continuous with one another.

B) stores, modifies, and packages proteins.

) strings together amino acids to produce proteins.

!) forms fats from gl$cerols and fatt$ acids.

#) is the site of carboh$drate breakdown.

Answer% B

&opic% 2.1>


+:) Which of the following statements regarding the Golgi apparatus is false?

A) &he Golgi apparatus works closel$ with the endoplasmic reticulum.

B) &he Golgi apparatus ser0es as a molecular warehouse and finishing factor$.

) &he Golgi apparatus decreases in sie when a cell increases its protein production.

!) &he Golgi apparatus modifies chemicals recei0ed from the endoplasmic reticulum.

#) &he Golgi apparatus sorts molecules according to their destination.

Answer%

&opic% 2.1>


+;) Which of the following statements about l$sosomes is false?A) L$sosomes help to digest worn"out or damaged organelles.

B) L$sosomes s$nthesie proteins from the rec$cled amino acids.

) L$sosomes fuse with food 0acuoles to epose nutrients to l$sosomal en$mes.

!) L$sosomes destro$ harmful bacteria engulfed b$ white blood cells.

#) L$sosomes rec$cle materials within the cell.

Answer% B

&opic% 2.11


/>) Which of the following statements about the functions of a plant cell central 0acuole is false?

A) &he central 0acuole of a plant cell ma$ help increase the sie of cells b$ absorbing water.B) &he central 0acuole of a plant cell ma$ store pigments that will help attract pollinating

insects.

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) &he central 0acuole of a plant cell ma$ store waste products.

!) &he central 0acuole of a plant cell ma$ digest chemicals for rec$cling.

#) &he central 0acuole of a plant cell ma$ store poisons.

Answer% !

&opic% 2.1+


/1) ontractile 0acuoles

A) are generall$ found in protists that inhabit salt water.

B) help in the ecretion of ecess salt.

) pre0ent cells from bursting as a result of the influ of ecess water.

!) allow organisms to a0oid deh$dration b$ absorbing water from the en0ironment.

#) stimulate the absorption of salt water.

Answer%

&opic% 2.1+


/+) 5nsulin is a protein that is produced b$ pancreatic cells and secreted into the bloodstream.Which of the following options correctl$ lists the order of the structures through which insulin

passes from its production to its eit from the cell?

A) rough #*, transport 0esicles, Golgi apparatus, transport 0esicles, cell membrane

B) rough #*, l$sosomes, transport 0esicles, cell membrane

) rough #*, Golgi apparatus, smooth #*, cell membrane

!) rough #*, transport 0esicles, cell membrane

#) rough #*, transport 0esicles, Golgi apparatus, 0acuole, cell membrane

Answer% A

&opic% 2.1/


//) &he function of mitochondria is

A) cellular respiration.

B) intracellular transport of proteins.

) lipid s$nthesis.

!) photos$nthesis.

#) intracellular digestion.

Answer% A

&opic% 2.12


/2) $anide inhibits mitochondrial function as a result, the rate of

A) A&P s$nthesis increases.

B) A&P s$nthesis decreases.

) photos$nthesis increases.

!) lipid s$nthesis increases.

#) protein s$nthesis increases.

Answer% B

&opic% 2.12

(kill% Application

/4) &he EEEEEEEE of a mitochondrion isJare an adaptation that increases the surface area andenhances a mitochondrion3s abilit$ to produce A&P.

A) stroma

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B) grana

) intermembrane space

!) cristae

#) matri

Answer% !

&opic% 2.12


/6) &he function of chloroplasts is

A) cellular respiration.

B) intracellular transport of proteins.

) lipid s$nthesis.

!) photos$nthesis.

#) intracellular digestion.

Answer% !

&opic% 2.14


/8) &he stroma is the

A) thick fluid enclosed b$ the inner chloroplast membrane.

B) water$ fluid enclosed b$ the inner membrane of a mitochondrion.

) space between the inner and outer membranes of a chloroplast.

!) space between the inner and outer membranes of a mitochondrion.

#) fluid within the grana.

Answer% A

&opic% 2.14


/:) @itochondria differ from chloroplasts in that mitochondria

A) con0ert solar energ$ to chemical energ$, whereas chloroplasts con0ert one form of

chemical energ$ to another.

B) contain three different membrane"bound compartments, whereas chloroplasts contain two.

) contain membrane folds called cristae, whereas chloroplasts contain disk"like 0esicles in

stacks called grana.

!) are not found in plants, whereas chloroplasts are not found in animals.

#) produce glucose, whereas chloroplasts break glucose down.

Answer%

&opic% 2.12, 2.14


/;) &he endos$mbiosis h$pothesis proposes that

A) two cells were Cutaposed and one benefited from the other.

B) one cell was dependent on the other for sur0i0al.

) a small cell li0ed inside a larger cell to the benefit of both cells.

!) a large cell engulfed and digested a smaller cell, eposing its en$mes for use b$ the larger

cell.

#) two cells merged into one cell, impro0ing the en$me function of the new cell.

Answer%

&opic% 2.16"#0olution onnection


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2>) &he endos$mbiosis h$pothesis is supported b$ all of the following pieces of e0idence, ecept

the fact that

A) mitochondria ha0e circular !=A like prokar$otes.

B) mitochondria s$nthesie glucose like prokar$otes.

) chloroplasts ha0e ribosomes like prokar$otes.

!) mitochondria ha0e a double membrane.

#) chloroplasts split like prokar$otes.Answer% B

&opic% 2.16"#0olution onnection


21) @icrofilaments differ from microtubules in that microfilaments

A) are larger than microtubules.

B) are found onl$ in plants, whereas microtubules are found in plants and animal cells.

) are mainl$ composed of actin, whereas microtubules are composed of tubulin.

!) help to anchor organelles, whereas microtubules primaril$ function to help cells change

shape and mo0e.

#) form the inner core of cilia and flagella, whereas microtubules regulate metabolism.Answer%

&opic% 2.18


2+) 5ntermediate filaments

A) guide the mo0ements of chromosomes.

B) are found within cilia and flagella.

) surround the nucleus.

!) guide the mo0ements of organelles.

#) support the inner mitochondrial membrane.

Answer%

&opic% 2.18


2/) A drug that interferes with microtubule formation is likel$ to completel$ disrupt

A) the production of ribosomes.

B) the amoeboid motion of a cell.

) the function of l$sosomes.

!) contraction of muscle cells.

#) the mo0ements of sperm cells.

Answer% #&opic% 2.18, 2.1:


22) ilia differ from flagella in that

A) cilia are composed of microfilaments and flagella are composed of intermediate filaments.

B) cilia contain nine microtubule doublets surrounding a central pair of microtubules, while

flagella contain onl$ nine microtubule doublets.

) the protein filaments of cilia are 7naked,7 while those of flagella are wrapped in an

etension of the cell membrane.

!) cilia are t$picall$ more numerous and shorter than flagella.

#) cilia are anchored onl$ in the proteins of the cell membrane, while flagella are anchored ina special structure called the basal bod$.

Answer% !

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&opic% 2.1:


24) !$nein arms

A) are present in cilia but not in flagella.

B) are knobs of carboh$drate that are essential to the mo0ement of cilia and flagella.

) are found on microtubules in cilia and flagella and cause mo0ement b$ grabbing andpulling at adCacent microtubule doublets.

!) are the anchoring proteins in basal bodies.

#) Coin microfilaments to the cell membrane.

Answer%

&opic% 2.1:


26) A woman is ha0ing trouble becoming pregnant. #amination of her partner3s sperm indicates

that d$nein arms are missing from the flagella in his sperm cells. A ph$sician eplains that this

could interfere with fertilit$ b$

A) pre0enting the sperm from attaching to the egg cell.B) pre0enting the sperm from swimming to the egg cell.

) pre0enting the sperm from producing enough energ$ to power swimming.

!) interfering with the attachment of the flagella to the sperm.

#) interfering with the abilit$ of the sperm to tolerate the acid conditions in the 0aginal canal.

Answer% B

&opic% 2.1:, 2.1;


28) !ecreased fertilit$ in men from de0eloped countries ma$ be related to

A) increased eposure to hormone"like chemicals in the en0ironment.

B) decreased flagella motion due to inacti0it$.

) increased sperm motilit$ from multiple flagella.

!) decreased metabolic le0els from o0ereposure to 9 ra$s.

#) decreased A&P s$nthesis from low glucose le0els.

Answer% A

&opic% 2.1;


2:) @ost animal cells are

A) surrounded b$ a cell wall.

B) attached to each other 0ia plasmodesmata.) embedded in an endomembrane s$stem.

!) embedded in an etracellular matri.

#) embedded in a lipid matri.

Answer% !

&opic% 2.+>


2;) @ost cells from multicellular organisms must be attached to their surroundings 0ia integrins.

ailure to maintain this contact will usuall$ result in

A) the proliferation of the cell.

B) increased metabolic acti0it$ of the cell.) the death of the cell.

!) increased communication with other cells.

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#) impro0ed autocrine functions.

Answer%

&opic% 2.+>


4>) (kin cells are attached to the etracellular matri b$

A) basal bodies.B) anchoring Cunctions.

) tight Cunctions.

!) communicating Cunctions.

#) plasmodesmata.

Answer% B

&opic% 2.+1


41) 5t is essential for heart muscle cells to beat in a coordinated fashion. &he cell Cunctions that

would best facilitate this are

A) occluding Cunctions.B) anchoring Cunctions.

) tight Cunctions.

!) communicating Cunctions.

#) plasmodesmata.

Answer% !

&opic% 2.+1


4+) Which of the following statements about plant cell walls is false?

A) Plant cell walls consist of cellulose fibers embedded in a matri of pol$saccharides and

proteins.

B) &he cell wall of one plant cell is separated from the cell wall of another b$ a la$er of stick$

pol$saccharides.

) Plant cell walls are multila$ered structures.

!) Plant cell walls protect plant cells b$ forming an impermeable la$er around the cell.

#) Wood is primaril$ composed of plant cell walls.

Answer% !

&opic% 2.++


4/) Which of the following statements regarding plasmodesmata is false?A) Plasmodesmata penetrate plant cell walls.

B) Plasmodesmata are one t$pe of cell Cunction in plants.

) Plasmodesmata carr$ chemical messages between plant cells.

!) Plasmodesmata carr$ nutrients between plant cells.

#) Plasmodesmata are commonl$ found in single"celled organisms.

Answer% #

&opic% 2.++


42) Which of the following statements regarding cells is false?

A) All cells are enclosed in a membrane that maintains internal conditions different from thesurroundings.

B) All cells ha0e a cell wall.

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) All cells can intercon0ert forms of energ$.

!) All cells can intercon0ert chemical materials.

#) All cells ha0e !=A as their genetic material.

Answer% B

&opic% 2.+/


44) A child dies following a series of chronic bacterial infections. At the autops$, the ph$sicians are

startled to see that the child3s white blood cells are loaded with 0acuoles containing intact bacteria.

Which of the following eplanations could account for this finding?

A) A defect in the Golgi apparatus pre0ented the cells from processing and ecreting the

bacteria.

B) A defect in the rough endoplasmic reticulum pre0ented the s$nthesis of the antibodies

Ddefensi0e proteins) that would ha0e inacti0ated the bacteria.

) A defect in the cell walls of the white blood cells permitted bacteria to enter the cells.

!) A defect in the l$sosomes of the white blood cells pre0ented the cells from destro$ing

engulfed bacteria.

#) A defect in the surface receptors of the white blood cells permitted bacteria to enter thecells.

Answer% !

&opic% 2.+/

(kill% Application

Chapter # ni!ying Concepts o! 'nimal tructure and *unction

1) &he connection between structure and EEEEEEEE is a basic concept of biolog$.

A) species

B) adaptation) function

!) se

#) strength

Answer%

&opic% +>.1


+) An organ s$stem consists of

A) organs that collecti0el$ perform a 0ital bod$ function.

B) a group of coordinated tissues.

) a collection of similar cells.!) organs that ser0e as a backup for a 0ital nonfunctioning bod$ s$stem.

#) blood, l$mph, and other bod$ fluids.

Answer% A

&opic% +>.1


/) (tructure in the li0ing world is organied into hierarchical le0els. Which of the following lists

these from least inclusi0e to most inclusi0e?

A) cell, molecule, organ, organ s$stem, tissue, organism

B) molecule, cell, tissue, organ, organ s$stem, organism

) molecule, cell, organ, organ s$stem, tissue, organism!) cell, molecule, tissue, organ, organ s$stem, organism

#) molecule, cell, tissue, organ s$stem, organ, organism

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Answer% B

&opic% +>.1


2) &una, sharks, and penguins ha0e adapted to their en0ironment b$ becoming fast swimmers. &he$

are fast swimmers due to

A) the oil$ secretion on their skins.B) their streamlined, tapered bodies.

) their o0ersied fins and flippers.

!) their eceptional capacit$ for energ$ storage.

#) the risbee"like turning motion of their bodies.

Answer% B

&opic% +>.+"#0olution onnection


4) Which of the following is an eample of a tissue?

A) heart muscle

B) heart) red blood cell

!) circulator$ s$stem

#) li0er

Answer% A

&opic% +>./

(kill% Application

6) Which of the following is a maCor categor$ of animal tissue?

A) epithelium

B) heart

) l$mph

!) blood serum

#) biceps

Answer% A

&opic% +>./


8) (tratified s-uamous epithelium is well"suited for

A) echanging materials b$ diffusion.

B) echanging materials b$ acti0e transport.

) lining our lungs.!) lining bod$ surfaces subCect to abrasion.

#) secreting mucus.

Answer% !

&opic% +>.2


:) #pithelial tissues

A) transmit impulses.

B) cause bod$ mo0ements.

) co0er both eternal and internal bod$ surfaces.

!) sense stimuli.#) form a framework that supports the bod$.

Answer%

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&opic% +>.2


;) Which of the following items has a shape most like a s-uamous epithelial cell?

A) a watermelon

B) a cupcake

) a fried egg!) a spoon

#) the letter 7(7

Answer%

&opic% +>.2

(kill% Application

1>) Which of the following statements about the cells of the mucous membrane lining $our air tubes

is false?

A) &he$ manufacture secretor$ products.

B) &he$ are stratified s-uamous epithelial cells.

) &he$ ha0e a large 0olume of c$toplasm.!) &he$ are cuboidal or columnar in shape.

#) &he$ carr$ cilia that sweep mucus up and out of the respirator$ s$stem.

Answer% B

&opic% +>.2


11) &he li-uid part of the blood that consists of water, salts, and dissol0ed proteins is known as

A) serum.

B) interstitial fluid.

) l$mph.

!) plasma.

#) platelets.

Answer% !

&opic% +>.4


1+) Which of the following is a t$pe of connecti0e tissue?

A) plasma

B) adipose tissue

) spinal fluid

!) epithelial tissue#) muscle tissue

Answer% B

&opic% +>.4


1/) Which of the following is formed from a matri of collagen fibers embedded in a hard mineral

substance?

A) blood

B) cartilage

) bone

!) adipose tissue#) fibrous connecti0e tissue

Answer%

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&opic% +>.4


12) What kind of connecti0e tissue has an etracellular li-uid matri called plasma?

A) cartilage

B) ner0e tissue

) loose connecti0e tissue!) adipose tissue

#) blood

Answer% #

&opic% +>.4


14) onnecti0e tissue is different from the other maCor tissue t$pes in that

A) it is made of cells.

B) the cells are sparsel$ scattered through a nonli0ing matri.

) it is not made of cells.

!) it has no essential function in an animal3s bod$.#) it is found onl$ in humans.

Answer% B

&opic% +>.4


16) &he most common t$pe of connecti0e tissue in the human bod$ is

A) fibrous connecti0e tissue.

B) adipose tissue.

) loose connecti0e tissue.

!) bone.

#) loose adipose tissue.

Answer%

&opic% +>.4


18) (mooth muscle is responsible for

A) 0oluntar$ bod$ acti0ities.

B) the pumping action of the heart.

) an athlete3s abilit$ to run a 1>>"meter dash.

!) in0oluntar$ bod$ acti0ities.

#) transmission of information.Answer% !

&opic% +>.6


1:) Which is the most abundant kind of tissue in an animal, such as a gorilla?

A) connecti0e

B) epithelial

) blood

!) muscle

#) ner0e

Answer% !&opic% +>.6


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1;) Which of the following statements regarding skeletal muscle is true?

A) 5ndi0idual skeletal muscle cells are 0isible to the naked e$e.

B) (keletal muscle is attached to bones b$ tendons.

) (keletal muscle cells do not contain nuclei.

!) (keletal muscle is largel$ responsible for in0oluntar$ bod$ motions.

#) (keletal muscle coordinates mo0ement of nutrients and o$gen throughout the bod$.Answer% B

&opic% +>.6


+>) 9nlike both smooth and skeletal muscle, cardiac muscle

A) has cells that contact one another.

B) has cells that are striped.

) generall$ cannot be contracted at will.

!) generall$ can be contracted at will.

#) has branched cells.

Answer% #&opic% +>.6


+1) &he main function of muscle tissue is

A) sensation.

B) support.

) contraction.

!) co0ering surfaces.

#) absorption.

Answer%

&opic% +>.6


++) Which t$pe of tissue forms a communication and coordination s$stem within the bod$?

A) ner0ous

B) blood

) epithelial

!) connecti0e

#) muscle

Answer% A

&opic% +>.8(kill% actual *ecall

+/) &he structural and functional unit of ner0ous tissue is the

A) dendrite.

B) aon.

) cell bod$.

!) neuron.

#) ner0e.

Answer% !

&opic% +>.8


+2) Which of the following statements about organs is false?

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A) An organ represents a higher le0el of structure than the tissues composing it.

B) An organ consists of se0eral tissues.

) An organ can onl$ carr$ out the functions of its component tissues.

!) An organ consists of man$ cells.

#) 'rgans are found in 0irtuall$ all animals ecept sponges and some cnidarians.

Answer%

&opic% +>.:(kill% onceptual 9nderstanding

+4) Which of the following tissues would likel$ be found in the small intestine?

A) cardiac muscle

B) ner0ous tissue

) bone tissue

!) tendons

#) cartilage

Answer% B

&opic% +>.:


+6) Which of the following tissues can currentl$ be produced artificiall$ and has been successfull$

used in human transplants?

A) heart muscle

B) esophageal lining

) lining of the small intestine

!) skin

#) urinar$ bladder

Answer% !

&opic% +>.;


+8) Which of the following statements about artificial skin is false?

A) Artificial skin has been used on burn 0ictims.

B) Artificial skin is grown from human fibroblasts.

) Artificial skin is inepensi0e and eas$ to use.

!) Artificial skin has shown such success that other artificial tissues are under in0estigation.

#) Artificial skin ma$ not be used on an$ animal, Cust humans.

Answer%

&opic% +>.;


Chapter ($1) Plant tructure, +eproduction, and e-elopment

1) Which of the following t$pes of plant cells help regulate the mo0ement of carbon dioide into

and out of a leaf?

A) guard cells

B) root hairs

) sie0e tubes

!) $lem

#) companion cellsAnswer% A

&opic% /1.4

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+) &he cells that store starch in dicot roots are located between the

A) $lem ra$s within the 0ascular c$linder.

B) $lem and the phloem.

) epidermis and the root hairs.

!) epidermis and the 0ascular c$linder.#) epidermis and the corte.

Answer% !

&opic% /1.4


/)5n general, plant dermal tissues are found

A) at the surface of plant organs.

B) near the center of the plant stems and roots.

) lining the 0ascular tissue.

!) throughout the plant bod$.

#)onl$ in plants that ha0e secondar$ growth.Answer% A

&opic% /1.4


2) Which of the following statements is false?

A) &he ground tissue s$stem of a leaf is called the mesoph$ll.

B) #ach 0ein in a leaf is composed of either $lem or phloem, but not both.

) &he 0eins in a leaf are continuous with the 0eins of a stem.

!) &he pith of a stem is often important in food storage.

#) &issues that are neither dermal nor 0ascular are known as the ground tissue s$stem.

Answer% B

&opic% /1.4


4) Which of the following structures is found in both plant and animal cells?

A) chloroplasts

B) mitochondria

) a large central 0acuole containing fluid

!) cell wall surrounding the plasma membrane

#) middle lamella

Answer% B&opic% /1.6


6) &he t$pe of plant 0ascular tissue specialied to conduct foods such as sugars is known as

A) $lem.

B) collench$ma.

) phloem.

!) sclerench$ma.

#) parench$ma.

Answer%

&opic% /1.6(kill% actual *ecall

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8) Which t$pe of 0ascular tissue cell in a plant is dead at maturit$?

A) 0essel elements

B) companion cells

) sie0e"tube cells

!) collench$ma cells

#) parench$ma cells

Answer% A&opic% /1.6


:) Which of the following substances, b$ pro0iding strength, allows some of a plant3s 0ascular

tissue to pro0ide support and pla$ a role analogous to that of an animal3s skeleton?

A) lignin

B) sucrose

) glucose

!) starch

#) chloroph$ll

Answer% A&opic% /1.6


;) Photos$nthesis occurs in which t$pe of plant tissue?

A) parench$ma

B) 0ascular cambium

) epidermal tissue

!) sclerench$ma

#) collench$ma

Answer% A

&opic% /1.6


1>) Which of the following is a function of sclerench$ma cells?

A) food storage

B) photos$nthesis

) production of se cells

!) regeneration of inCured parts

#) long"distance water conduction

Answer% #

&opic% /1.6(kill% actual *ecall

11) Which of the following cells pro0ide fleible support to the growing parts of plants?

A) tracheids

B) collench$ma cells

) sie0e"tube members

!) sclerench$ma cells

#) parench$ma cells

Answer% B

&opic% /1.6


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Test Bank 1 1430 Part (1)

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