IB Biology Draw assessment statements

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All the IB Biology Drawings needed for the syllabus.

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1.2.1 Draw a generalized prokaryotic cell as seen in electron micrographs.

1.3.1 Draw a diagram to show the ultrastructure of a generalized animal cell as seen in electron micrographs

1.4.1 Draw a diagram to show the fluid mosaic model of a biological membrane Note: include and label using these names -phospholipid bilayer (point out hydrophilic

head and hydrophobic tail) -cholesterol

-glycoproteins-integral proteins-peripheral proteins

Make sure to use term plasma membrane, not cell surface membrane

2.2.2 Draw the basic structure of a generalizedamino acid

no details about the R group are needed

Glucose

Ribose

2.2.3 Draw the ring structure of glucose and ribose

OCH3------(CH2)n--------C

OH

2.2.4 Draw the structure of glycerol and a generalized fatty acid

*don’t forget the “n” after the (CH2) in the generalized fatty acid (n means, could be any number of that part of the molecule)

Generalized fatty acid

A generalized dipeptide

2.2.4 Draw the structure of a generalized dipeptide, showing the peptide linkage

2.4.5 Draw a simple diagram of the molecular structure of DNA

-show complementary C:G and A:T pairs-identify hydrogen bonds (hold bases together)-number of H-bonds between complementary bases not required-details of base structure not required

Your diagram can be simple, just remember that A and G are double rings; C and T are single rings.Sugar phosphate backbone goes on outside of “ladder”Bases are the “rungs of the ladder”hydrogen bonds between bases are in very center

Key to thispicture:1. hydrogen bonds inPINK2. Bases ingreen andpurple3. Sugarphosphatebackbone inblackPhosphates inyellow

4.1.14 Draw the carbon cycle to show the processes involved.

Be sure to include:-photosynthesis-respiration-fossilization (you could substitute the word “fossilization” for “calcareous sediments” above-combustion (burning of fossil

fuels)

Point is to showinteraction ofliving organismsand the biospherethrough processesof photosynthesis,respiration,fossilization &combustion

4.2.2 Draw a graph showing the sigmoid (S-shaped) population growth curve

*you could use “organisms” or “population size” for the Y axis as well.

*S shape demonstrates that the population starts slow, rises exponentially, then plateaus at the carrying capacity of the environment

*

Topic 5.1.4 Draw a diagram of the digestive system Be sure to include

-mouth -liver-esophagus -pancreas-stomach -gall bladder-small intestine-large intestine-anus

(I have blanked out theitems you don’t need thatwere in this figure)

5.2.1 Draw a diagram of the heart showing all four chambers, associated blood vessels, and valves

Include-all blood vessels connected directly

to the heart-relative wall thickness of chambers

See also: Study guide handouts Page 48 (Page titleis “The Blood System” (given out during unit)

5.5.4 Draw a diagram of the ventilation system including trachea, bronchi, bronchioles, and lungsSee also study guide handout (given during unit)page 51, titled “Gas Exchange”

Male

5.7.1 Draw diagrams of the adult male and female reproductive systems see handouts page 54 titled “Reproductive Systems” given during unit

Female

7.1.3 Draw the structure of a mitochondrion as seen in electron micrographs

7.2.1 Draw the structure of a chloroplast as seen in electron micrographs

be sure to include-thylakoid membranes-granum-inner membrane-outer membrane-starch grain-stroma containing 70s ribosomes (dots)-naked dna (dots or small circles)-lipid droplet (large dot in stroma)

chloroplastenvelope

7.2.7 Draw the action spectrum of photosynthesis

immature spermatids

mature spermatids

primaryspermatocyte

spermatogonium

interstitial cells

secondary spermatocyte

9.1.1 Draw the structure of testis tissue as seen using a light microscope

(draw one seminiferous tubule in transverse section with adjacent interstitial cells.

show outer basement membrane, spermatogonia, developing spermatozoa, and sertoli (nurse) cells

9.1.4 Draw the structure of the ovary as seen using a light microscope

-show primary oocytes (primordial follicles)-secondary oocyte in prophase II (preovulatory follicle)-corpus luteum-show also a follicle with egg being released

Acrosome

centrioles

first polar cell

haploid nucleus

cytoplasm (yolk)

corticalgranules

layerof folliclecells

zonapellucida

layerof folliclecells

9.1.6 Draw the structure of a mature sperm and egg. See also handout p 92 titled “Gametes”

motor end plate

11.1.2 Draw the structure of a motor neuron include: dendrites, cell body with nucleus, elongated axon, myelin sheath, nodes of Ranvier, motor end plates

11.2.3 Draw a diagram of the human elbow joint Be sure to include

-cartilage-synovial fluid ( around joint)-tendons-ligaments-bones (ulna)-biceps-triceps

Be able to identify the antagonistic muscle pair (biceps & triceps)See also study guide handout p 102 “Muscles,joints, and locomotion”.

11.2.5 Draw the structure of skeletal muscle fibers as seen in electron micrographs

include & label -sarcomere -dark bands -light bands -sarcoplasm -endoplasmic reticulum

-mitochondria

12.2.1 Draw the structure of the kidney Include

-cortex-medulla-renal pelvis-ureter-renal blood vessels

renal pelvis

12.2.2 Draw the structure of a glomerulus and associated nephron

Nephron

13.1.2 Draw a diagram to show the external parts of a named dicotyledonous plant

include-root, stem, leaf, axillary bud,

terminal bud

vascular bundle

vascularcambium

red=xylemblue=phloem

STEM

epidermis

pithcortex

ROOT

LEAF

stoma

13.1.3 Draw plan diagrams to show the distribution of tissues in stem, root, and leaf of a generalized dicotyledonous plant. (distribution of tissues, no cellular structure)

anther style

filament

ovarysepal

petal

13.3.1 Draw the structure of a dicotyledonous animal-pollinated flower, as seen with the naked eye and hand lens

limit diagram to sepal, petal, anther, filament, stigma, style,

and ovary

13.3.4 Draw the external and internal structure of a named dicotyledonous seed. (non-endospermic)

Include:-testa-micropyle-embryo root (radicle)-embryo shoot (plumule)-cotyledons

testaEXTERNAL

INTERNAL

G.4.5 Draw a diagram of a nitrogen cycleinclude the processes of -nitrogen fixation-denitrification-nitrification-feeding-excretion-root absorption-decay (ammonification)

H.1.4 Draw a diagram of the hypothalamus and the pituitary gland

include: portal vein, neurosecretory cells,hypothalamus, anterior pituitary, posteriorpituitary

posterior pituitary

ducts

secretory cells

acinus

acini

H.2.2 Draw the structural features of exocrine glands including secretory cells grouped into acini and ducts

H.3.1 Draw a portion of the ileum (in transverse section as seen under a light microscope)

Include mucosa, outer longitudinal muscle layer, inner circular muscle

layer, mucosa, and villi.

transverse section drawing

villi

longitudinalmusclelayer

circularmusclelayer

mucosa

lumen

FYI: light microscope section