Download SBI3C Cell Biology Unit Test

Name: _______________________ Pd: ____
Cell Biology PracticeTest
Part 1: Knowledge and Understanding
Modified True/False (19 points)
Indicate whether the sentence or statement is true or false. If false, change the underlined word or phrase to make the sentence or
statement true.
____ 1.Lysosomes are found only in plant cells. ____________________
____ 2.The Golgi apparatus chemically changes fats and proteins and then packages them in vesicles. ____________________
____ 3.In a chloroplast the thylakoids are stacked on top of one another forming structures called stroma. __________________
____ 4.Steroids are lipids. ____________________
____ 6. Oxygen, water, and carbon dioxide cannot pass freely through cell membranes. ____________________
____ 7.An increase in temperature causes an increase in the rate of diffusion. ____________________
____ 8.Carrier proteins are typically able to transport only one type of substance. ____________________
____ 9.The Calvin cycle reactions (dark reactions) of photosynthesis use chlorophyll to absorb light energy and transfer it to ATP.
____________________
____ 10. Anaerobic respiration can produce ATP even if glucose is not present. ____________________
____ 11. Ethanol fermentation occurs in muscle cells during periods of strenuous exercise. ____________________
Multiple Choice (23 points)
Identify the letter of the choice that best completes the statement or answers the question.
____ 1.
Lipids differ from carbohydrates in that lipids have a higher proportion of
a. hydrogen
c. carbon
b. oxygen
d. nitrogen
____ 2. In brewing, baking, and winemaking, the enzymes found in yeast cells convert glucose to
a. maltose
c. ethanol and carbon dioxide
b. amylose
d. pyruvate
____ 3. A difference in concentration between two areas is known as
a. dynamic equilibrium
c.
b. a concentration gradient
d.
facilitated diffusion
osmosis
____ 4. Which of the following processes do not require ATP?
a. photosynthesis
b. cell respiration
active transport
diffusion
c.
d.
____ 5.The movement of substances through a membrane against a concentration gradient using
membrane-bound carrier proteins and energy from ATP is known as
a. osmosis
c. facilitated diffusion
b. diffusion
d. active transport
____ 6.Molecules of the light-absorbing pigment chlorophyll are found in the
a. thylakoid
c. stroma
b. grana (grannum)
d. none of the above
___
7. Which of the following statements best describes anaerobic cellular respiration?
a. uses oxygen, produces small amounts of ATP
b. does not use oxygen, produces small amounts of ATP
c. uses oxygen, produces large amounts of ATP
d. does not use oxygen, uses large amounts of ATP
____ 8.The end product of glycolysis is
a. pyruvate
b. glucose
c.
d.
carbon dioxide
oxygen
____ 9.Which of the following is the correct formula for glucose?
a. C12H22O11
b. CO2
c.
d.
C6H12O6
C3H6O3
____ 10. The result of one molecule of glucose going through glycolysis is
a. 1 molecule of pyruvate
c. 4 molecules of pyruvate
b. 2 molecules of pyruvate
d. 6 molecules of pyruvate
____ 11. Oxidative respiration uses oxygen to convert pyruvate into
a. carbon dioxide, water, and ATP
c.
b. ethanol and carbon dioxide
d.
____ 12. Which of the following is the correct equation for glycolysis?
a. glucose + 6 O2 6 CO2 + 6 O2 + 36 ATP
b. glucose2 pyruvate + 2ATP
c. 2 pyruvate + 6 O2 6 CO2 + 6 O2 + 34 ATP
d. glucose 2 pyruvate + 2 CO2
lactic acid
glucose
Matching (18 points)
Match the correct term with the appropriate description listed below.
a.
chloroplast
g. cell membrane
b. mitochondrion
h. lysosome
c.
vacuole
i
Golgi apparatus
d. nucleus
j. cell wall
e.
ribosome
k. flagellum
f.
rough endoplasmic reticulum
_____1. composed of phospholipids and other embedded molecules
____ 2. carries out photosynthesis in plant cells
____ ____7. contains digestive enzymes
____ ____8. provides energy for cell functions
____ 3. manufactures proteins
____ ____9. has attached ribosomes on its surface
____ 4. provides locomotion in some animal cells
____ ____10. gives structural support to plant cells
____ 5. modifies and packages fats and proteins
____ ____11. control centre of the cell
____ 6. storage organelle
Match each item to the statement listed below.
o.
p.
q.
r.
l. selectively permeable
m. simple diffusion
n. concentration gradient
dynamic equilibrium
facilitated diffusion
osmosis
transmembrane protein
____
12. the movement of substances from high to low concentration
____
____16.the movement of water from high to low concentration
____
13. concentrations are equal on both sides
____
____
14. difference in concentration between two areas
____17.allows for the transport of larger molecules through a cell
membrane
____
15. allows only certain substances to pass through
____
____18.diffusion of solutes assisted by protein molecules
Part 2: Application (36 points)
Diagrams:
1.Label the indicated structures on the above diagram of an animal cell. (7 points)
A: _______________________________
B: _______________________________
C:_______________________________
D:_______________________________
E:_______________________________
F:_______________________________
G:_______________________________
2. Label the following macromolecules (3 points):
A: ___________________
B: _______________________
C: _______________________________________
Short Answer:
3. Compare and contrast the following pair of terms: Each is worth 2 points.
a. Simple diffusion vs. facilitated diffusion
b. Passive transport vs. active transport
c. Pinocytosis vs. phagocytosis
d. Exocytosis vs. endocytosis
Long Answer:
4.
a)Describe, in detail, the light and dark reactions of photosynthesis (location, what reacts, what is produced,
draw a diagram etc.)
b)Describe, in detail, the process of cellular respiration (what reacts, what is produced, location, draw a diagram etc.)
d) Describe the process of exocytosis from the time a protein enters the rough endoplasmic reticulum until it enters the
extracellular fluid. You may use diagrams in your explanation.