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Chapter 6 – Chromosomes and Mitosis
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Topic 1 Topic 2 Topic 3 Topic 4 Topic 5
EXTRA CREDIT
Topic 1:
$100 Question
Binary fission
a. occurs when two cells collide with each other.
b. produces excess energy.
c. creates new species.
d. is the process by which bacteria reproduce.
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ANSWER
Topic 1:
$100 Answer
Binary fission
a. occurs when two cells collide with each other.
b. produces excess energy.
c. creates new species.
d. is the process by which bacteria reproduce.
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Topic 1:
$200 Question
In a bacterium, cell division takes place when
a. its nucleus divides.
b. the cell splits into two cells, one of which receives all of the DNA.
c. the DNA is copied, a new cell wall forms between the DNA copies, and the cell splits into two cells.
d. None of the aboveBACK TO GAME
ANSWER
Topic 1:
$200 Answer
In a bacterium, cell division takes place when
a. its nucleus divides.
b. the cell splits into two cells, one of which receives all of the DNA.
c. the DNA is copied, a new cell wall forms between the DNA copies, and the cell splits into two cells.
d. None of the aboveBACK TO GAME
Topic 1:
$300 Question
In order to fit within a cell, DNA becomes more compact by
a. breaking apart into separate genes.
b. extending to form very long, thin molecules.
c. wrapping tightly around associated proteins.
d. being enzymatically changed into a protein.
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ANSWER
Topic 1:
$300 Answer
In order to fit within a cell, DNA becomes more compact by
a. breaking apart into separate genes.
b. extending to form very long, thin molecules.
c. wrapping tightly around associated proteins.
d. being enzymatically changed into a protein.
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Topic 1:
$400 Question
Homologous chromosomes are pairs of chromosomes containing genes that code for
a. different traits. c. DNA.
b. the same traits. d. cytosol.
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ANSWER
Topic 1:
$400 Answer
Homologous chromosomes are pairs of chromosomes containing genes that code for
a. different traits. c. DNA.
b. the same traits. d. cytosol.
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Topic 1:
$500 Question
In humans, gametes contain
a. 22 autosomes and 1 sex chromosome.
b. 1 autosome and 22 sex chromosomes.
c. 45 autosomes and 1 sex chromosome.
d. 1 autosome and 45 sex chromosomes.
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ANSWER
Topic 1:
$500 Answer
In humans, gametes contain
a. 22 autosomes and 1 sex chromosome.
b. 1 autosome and 22 sex chromosomes.
c. 45 autosomes and 1 sex chromosome.
d. 1 autosome and 45 sex chromosomes.
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Topic 2:
$100 Question
In humans, the male determines the sex of the child because males have
a. two X chromosomes. c. two Y chromosomes.
b. one X and one Y chromosome. d.46 chromosomes.
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ANSWER
Topic 2:
$100 Answer
In humans, the male determines the sex of the child because males have
a. two X chromosomes. c. two Y chromosomes.
b. one X and one Y chromosome. d.46 chromosomes.
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Topic 2:
$200 Question
The diploid number of chromosomes in a human skin cell is 46. The number of chromosomes found in a human ovum is
a. 46. c. 23.
b. 92. d. 12.5.
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ANSWER
Topic 2:
$200 Answer
The diploid number of chromosomes in a human skin cell is 46. The number of chromosomes found in a human ovum is
a. 46. c. 23.
b. 92. d. 12.5.
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Topic 2:
$300 Question
diploid : somatic cell :: haploid :
a. body cell c. gamete
b. chromosome d. zygote
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ANSWER
Topic 2:
$300 Answer
diploid : somatic cell :: haploid :
a. body cell c. gamete
b. chromosome d. zygote
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Topic 2:
$400 Question
If nondisjunction occurs,
a. there will be too many gametes produced.
b. no gametes will be produced.
c. a gamete will receive too many or too few homologues of a chromosome.
d. mitosis cannot take place.
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ANSWER
Topic 2:
$400 Answer
If nondisjunction occurs,
a. there will be too many gametes produced.
b. no gametes will be produced.
c. a gamete will receive too many or too few homologues of a chromosome.
d. mitosis cannot take place.
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Topic 2:
$500 Question
A mutation caused by a piece of DNA breaking away from its chromosome and becoming attached to a nonhomologous chromosome is called
a. deletion. c. inversion.
b. duplication. d. translocation.
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ANSWER
Topic 2:
$500 Answer
A mutation caused by a piece of DNA breaking away from its chromosome and becoming attached to a nonhomologous chromosome is called
a. deletion. c. inversion.
b. duplication. d. translocation.
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Topic 3:
$100 Question
Trisomy is a mutation that results in a cell having an extra
a. nitrogen base. c. chromosome.
b. codon. d. gene.
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ANSWER
Topic 3:
$100 Answer
Trisomy is a mutation that results in a cell having an extra
a. nitrogen base. c. chromosome.
b. codon. d. gene.
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Topic 3:
$200 Question
A student can study a karyotype to learn about the
a. cell cycle.
b. genes that are present in a particular strand of DNA.
c. medical history of an individual.
d. number and structure of the chromosomes in a somatic cell.
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ANSWER
Topic 3:
$200 Answer
A student can study a karyotype to learn about the
a. cell cycle.
b. genes that are present in a particular strand of DNA.
c. medical history of an individual.
d. number and structure of the chromosomes in a somatic cell.
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Topic 3:
$300 Question
The stage of the cell cycle that occupies most of the cell’s life is
a. G1. c. G2.
b. M. d. S.
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ANSWER
Topic 3:
$300 Answer
The stage of the cell cycle that occupies most of the cell’s life is
a. G1. c. G2.
b. M. d. S.
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Topic 3:
$400 Question
Cells that are not dividing remain in the
a. mitosis phase. c. first growth phase.
b. synthesis phase. d. cytokinesis phase.
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ANSWER
Topic 3:
$400 Answer
Cells that are not dividing remain in the
a. mitosis phase. c. first growth phase.
b. synthesis phase. d. cytokinesis phase.
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Topic 3:
$500 Question
The first three phases of the cell cycle are collectively known as
a. cellular respiration. c. mitosis.
b. telophase. d. interphase.
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ANSWER
Topic 3:
$500 Answer
The first three phases of the cell cycle are collectively known as
a. cellular respiration. c. mitosis.
b. telophase. d. interphase.
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Topic 4:
$100 Question
At the DNA synthesis (G2) checkpoint, DNA replication is checked by
a. receptor proteins. c. repair enzymes.
b. electron transport chains.d. cell surface markers.
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ANSWER
Topic 4:
$100 Answer
At the DNA synthesis (G2) checkpoint, DNA replication is checked by
a. receptor proteins. c. repair enzymes.
b. electron transport chains.d. cell surface markers.
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Topic 4:
$200 Question
In eukaryotes, the cell cycle is controlled by
a. proteins. c. lipids.
b. carbohydrates. d. fats.
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ANSWER
Topic 4:
$200 Answer
In eukaryotes, the cell cycle is controlled by
a. proteins. c. lipids.
b. carbohydrates. d. fats.
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Topic 4:
$300 Question
Normal cells become cancer cells when
a. regulation of cell growth and division is lost.
b. cells do not respond normally to control mechanisms.
c. cells continue to divide without passing through G1.
d. All of the above
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ANSWER
Topic 4:
$300 Answer
Normal cells become cancer cells when
a. regulation of cell growth and division is lost.
b. cells do not respond normally to control mechanisms.
c. cells continue to divide without passing through G1.
d. All of the aboveBACK TO GAME
Topic 4:
$400 Question
A spindle fiber is a specialized form of
a. microtubule. c. cilium.
b. flagellum. d. chromosome.
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ANSWER
Topic 4:
$400 Answer
A spindle fiber is a specialized form of
a. microtubule. c. cilium.
b. flagellum. d. chromosome.
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Topic 4:
$500 Question
The phase of mitosis that is characterized by the arrangement of all chromosomes along the equator of the cell is called
a. telophase. c. anaphase.
b. metaphase. d. prophase.
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ANSWER
Topic 4:
$500 Answer
The phase of mitosis that is characterized by the arrangement of all chromosomes along the equator of the cell is called
a. telophase. c. anaphase.
b. metaphase. d. prophase.
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Topic 5:
$100 Question
Mitosis is a process by which
a. DNA is replicated. c. cells grow in size.
b. cytokinesis occurs. d. a cell’s nucleus divides.
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ANSWER
Topic 5:
$100 Answer
Mitosis is a process by which
a. DNA is replicated. c. cells grow in size.
b. cytokinesis occurs. d. a cell’s nucleus divides.
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Topic 5:
$200 Question
5 steps: the cell cycle ::
a. 6 steps : prophase c. 3 steps : meiosis
b. 9 steps : cytokinesisd. 4 steps : mitosis
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ANSWER
Topic 5:
$200 Answer
5 steps: the cell cycle ::
a. 6 steps : prophase c. 3 steps : meiosis
b. 9 steps : cytokinesisd. 4 steps : mitosis
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Topic 5:
$300 Question
Cytokinesis in plant cells involves the formation of
a. replicated chromosomes.c. spindle fibers.
b. a cell plate. d. centrioles.
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ANSWER
Topic 5:
$300 Answer
Cytokinesis in plant cells involves the formation of
a. replicated chromosomes.c. spindle fibers.
b. a cell plate. d. centrioles.
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Topic 5:
$400 Question
Which of the following statements is true?
a. Prokaryotes divide by mitosis.
b. Eukaryotes have circular chromosomes.
c. Animal cells form new cell walls when they divide.
d. Plant cells and animal cells have different strategies for cytokinesis.
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ANSWER
Topic 5:
$400 Answer
Which of the following statements is true?
a. Prokaryotes divide by mitosis.
b. Eukaryotes have circular chromosomes.
c. Animal cells form new cell walls when they divide.
d. Plant cells and animal cells have different strategies for cytokinesis.
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Topic 5:
$500 Question
In plant cells, cytokinesis occurs
a. immediately after the chromosomes make exact copies of themselves.
b. immediately after the spindle fibers are formed.
c. as mitosis ends.
d. when osmotic pressure is too low.
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ANSWER
Topic 5:
$500 Answer
In plant cells, cytokinesis occurs
a. immediately after the chromosomes make exact copies of themselves.
b. immediately after the spindle fibers are formed.
c. as mitosis ends.
d. when osmotic pressure is too low.
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Extra Credit
Make a slideshow of you doing the hand motions of Interphase, mitosis, and cytokinesis. PowerPoint would be best for emailing it to me. No joke! Extra Credit. I need it by Friday, 11/6/09.
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ANSWER
Extra credit.
I’m not kidding! Take pictures, hand motions, slides, email = extra credit!!
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