HL Draw Command Review Sheet ANSWERS

8/17/2019 HL Draw Command Review Sheet ANSWERS

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Answers

Draw and label a diagram of the ultrastructure of Escherichia coli

( E. coli) as an example of a prokaryote. (6)

• size stated: 1 to 1 micrometers

• cell wall!

• cytoplasm!

• flagella " flagellum!

• mesosome!

• plasma membrane!

• ribosomes!

• nucleoid region " D#$ not enclosed in nuclear

membrane!

• plasmid!

• pili!

• capsule " slime layer!

Draw and label a diagram of the ultrastructure of a li%er cell as an

example of an animal cell. (&)

• nucleus'smaller area than cytoplasm surrounded by

double membrane with pores!

mitochondrion'surrounded by double membrane inner

membrane has infoldings!

rough endoplasmic reticulum'stacked tubules withdots " small circles on outer surfaces!

olgi apparatus'cur%ed stacked tubules small %esicles

near ends of tubules " sacs!

ribosomes both attached to r*+ and free ribosomes in

cytoplasm drawn and labelled!

lysosome " nucleolus " nuclear en%elope " nuclear pore "

plasma membrane!

Draw and label a diagram to show the structure of membranes.

(,)

• phospholipid bilayer!

• protein channels " integral (intrinsic) membrane

proteins!

• peripheral (extrinsic) proteins associated with the

membrane!

• cholesterol embedded in the membrane!

• glycoproteins " receptor proteins on the outside!

• hydrophobic and hydrophilic portions of membrane

indicated! (both needed for [1] )

Draw and label a diagram showing the structure of water

molecules to show their polarity and hydrogen bond formation.

#ot in -uestion ank

Draw and label a simple diagram of the molecular structure of

D#$. (&)

• sugar'phosphate backbone!

• bases toward centre!

• $/0 / base pair!• hydrogen bonds labelled!

• twisted ladder!

• two polynucleotides (two strands shown)!

Draw and label a diagram of the carbon cycle to show the

processes in%ol%ed.(,)

• plants taking in 23 (making carbohydrates) in

photosynthesis!• animals eating plants!

• animals " plants gi%ing off 23 by (cell) respiration!

• decomposers " micro'organisms gi%ing off 23 by (cell)

respiration!

• fossilization of plant " animal parts " store carbon as fossil

fuels!

• factories " cars gi%ing off 23 through combustion of

fossil fuels!

• (dead) plants " animals to decomposers " saprotrophs!


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Draw and label a graph showing a sigmoid (4'shaped) population

growth cur%e. (&)

• [1] for a correct s-shaped curve. Must have correct

labelled diagram for full marks.

• [3 max] for any of the following.

(exponential) 5 rapid increase in population!

(transitional) 5 slowing of growth!(plateau) 5 le%elling off birth rate death rate!

• carrying capacity labelled!

Draw and label a diagram of the digesti%e system. (&)

• mouth!

• esophagus!

• stomach!

• small intestine!

• large intestine " colon!

• anus!

• rectum!

• sphincters!

• sali%ary glands!

• li%er!

• pancreas!

• gall bladder!

Draw and label a diagram of the heart showing the four

chambers associated blood %essels %al%es and the route of blood

through the heart. (6)

• left and right %entricle!

• left and right atria!

• atrio%entricular %al%es " bicuspid " mitral and tricuspid

%al%es!

• semilunar %al%es!

• aorta and %ena ca%a!

• pulmonary artery and pulmonary %ein!

• %entricle wall thicker than atria!

• left %entricle wall thicker than right %entricle wall!

Do not award marks for a diagram with only the ventricles or atria. However it is not necessary to show the cordae tendinae.

Draw and label a diagram of the %entilation system including

trachea lungs bronchi bronchioles and al%eoli. (,)

• mouth " nose!

• trachea!

• bronchi!

• bronchioles!

• lungs!

• al%eoli!

• diaphragm!

• ribs " rib eye " intercostal muscles!

Draw and label a diagram of the structure of a motor neuron. (&)

cell body ' complete with nucleus and dendrites!

axon ' shown longer than the longest dendrite with

the membrane drawn as a

continuous line! myelin sheath ' surrounding the axon showing nodes

of +an%ier!

motor end plates ' not co%ered by myelin sheath and

ending in a button " dot!

Draw and labelled diagram of the adult female reproducti%esystems. (6)

!ward [1] for each of the following structures clearly labelled and

drawn in the correct position relative to the other organs up to

[6 max] .• o%ary!

• o%iduct " fallopian tube!

• uterus!

• cer%ix!

• %agina!

• %ul%a " labia!

• clitoris!

• endometrium!


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Draw and labelled diagram of the adult male reproducti%e

systems. (&)

"onnections between organs must be correct for full marks.

• penis!

• scrotum!

• prostate gland!

• sperm duct!

• urethra " urinary tract!

•

seminal %esicle!• bladder!

• testes!

• epididymis!

• sperm duct " 7as deferens!

• owper8s gland!

• seminiferous tubules!

• erectile tissue!

Draw and label a diagram showing the structure of a peptide bond

between two amino acids. (,)

• carboxyl " 229 group of one amino acid reacts with

amine "

• #93 group of another!

• water " 932 is eliminated!

#hese steps can be shown diagrammatically eg

• peptide " co%alent bond is produced!

•

diagram of dipeptide with peptide bond shown [2 max] $

eg

Draw and label a diagram showing the structure of a

mitochondrion as seen in electron micrographs. (&)

• outer membrane!

• inner membrane 5 folded into thin cristae!

• cristae 5 shown as thin!

• matrix!

• intermembrane space 5 shown as thin!

• (4) ribosomes!

• $0; synthase 5 shown on the inner membrane surface!

• (naked) loop of D#$!

Draw and label a diagram showing the structure of a chloroplast

as seen in electron micrographs. (&)

• double"inner and outer membrane"en%elope 5 shown as two

concentric continuous lines close together!

• granum"grana 5 shown as a stack of se%eral disc'shaped

subunits!

• (intergranal) lamella 5 shown continuous with thylakoid

membrane!

• thylakoid 5 one of the flattened sacs!

• stroma!

• (4) ribosomes"(circular) D#$ " lipid globules " starch

granules " thylakoid space!

9

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Draw and label plan diagrams to show the distribution of tissues

in the stem and leaf of a dicotyledonous plant.

=*$> (6)

!ward [1] for each of the following structures shown in the

correct relative positionand labelled. %ndividual cells

are not needed but do not penali&e if they are shown.

• upper epidermis!

• palisade layer " mesophyll!

• spongy layer " mesophyll!• lower epidermis!

• xylem (in a ma?or or minor %ein)!

• phloem (in a ma?or or minor %ein)!

• collenchyma (in the midrib)!

• guard cells! (do not accept stoma ' stomata only)

40*@

#ot in -uestion ank

Draw and label a diagram showing the structure of a

dicotyledonous animal'pollinated flower. (6)

• petals!

• sepal!

• stigma!

• style!

• o%ary!

• stamen " anther and filament!

• receptacle " nectary!

Draw and label a diagram showing the external and internal

structure of a named dicotyledonous seed.

#ot in -uestion ank

Draw and label a diagram to show the structure of a sarcomere

including A lines actin filaments myosin filaments with heads

and the resultant light and dark bands. (&)

• 4arcomere 5 clearly indicated between A lines!

• A lines!

• actin filaments attached to A line!

• myosin filaments with heads!

• (two) light bands!

• dark band!

Draw and label a diagram of the kidney. (,)

• cortex shown at the edge of kidney!

• medulla shown inside the cortex (with pyramids)!

• pel%is shown on the conca%e side of the kidney!

• ureter shown connecting with the pel%is " on conca%e

side " hilum!• renal artery shown connected to the conca%e "

pel%is side " away from cortex!

• renal %ein shown connected to the conca%e "

pel%is side " away from cortex!

Draw and label a diagram of a mature sperm and egg.

4;*+@ (B)

• acrosome!

• head with nucleus!

• tail!• middle piece with mitochondria!

*

#ot in -uestion ank

Draw and label a diagram of a reflex arc for a pain withdrawal

reflex including the spinal cord and its spinal ner%es the

receptor cell sensory neuron relay neuron motor neuron and

effector.

Draw diagrams to show the four stages of mitosis in an

animal cell with four chromosomes. (,)

• prophase showing spindle fibres!

• prophase showing condensed chromatin!

• prophase showing replicated chromosomes!

• metaphase showing replicated chromosomes lining up at

the eCuator!• anaphase showing chromatids mo%ing to opposite poles!

• telophase showing nucleus reforming!

• telophase showing cytokinesis occurring!

#he four diagrams must have the name of the phase otherwise

award [3 max] .

#he four stages must be included to receive [5] .

%f correct number of chromosomes is not shown award [4 max] .

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HL Draw Command Review Sheet ANSWERS