CELLULAR RESPIRATION: QUIZ ANSWERS
CELLULAR RESPIRATION: QUIZ ANSWERS KIRSTIN BROWN
Cellular Respiration Quiz: ANSWERS 1. Number 1 in the diagram below is pointing to the site of:
A.
Glycolysis
B.
Citric acid cycle
C.
Electron transport chain
D.
Proton motive force
E.
Transcription
Cellular Respiration quiz: ANSWERS 2. Which of the following processes occur at number 4 below? i.
Production of water
ii.
Accumulation of protons
iii.
Breakdown of glucose to pyruvate
iv.
Substrate level phosphorylation
v.
Oxidative phosphorylation
A.
ii and iii
B.
All of the above
C.
v only
D.
i and v
E.
i, iv, and v
Cellular Respiration quiz: ANSWERS 3. Which of the following processes occur in the cytosol? A.
Citric acid cycle
B.
Glycolysis
C.
Electron transport chain
D.
Pyruvate processing
E.
Oxidative phosphorylation
Cellular Respiration quiz: ANSWERS 4. Which process oxidized molecular oxygen to water? A.
Glycolysis
B.
Electron transport chain
C.
Citric acid cycle
D.
ATP synthase
E.
None of the above
Cellular Respiration quiz: ANSWERS 5. As electrons move through the ETC, each carrier molecule is: A.
Oxidized by the previous molecule and reduced by the following one
B.
Reduced by the previous molecule and oxidized by the following one
C.
Reduced by both the preceding and following molecules
D.
Oxidized by both the preceding and following molecules
Cellular Respiration quiz: ANSWERS 6. To create the proton motive force, H+ ions are pumped: A.
Out of the mitochondria and into the cytoplasm
B.
Out of the cell
C.
Out of the mitochondrial matrix and into the intermembrane space
D.
Out of the cytoplasm and into the mitochondrial matrix
E.
Out of the nucleus and into the mitochondria
Cellular Respiration quiz: ANSWERS 7. The ETC generates a proton gradient across the inner membrane. What kind of energy is generated with such a gradient? A.
Protonic energy
B.
Membrane energy
C.
Potential energy
D.
Kinetic energy
E.
No energy is produced
Cellular Respiration quiz: ANSWERS 8. What products of glucose oxidation are essential for oxidative phosphorylation? A.
NADH and ATP
B.
Pyruvate
C.
Acetyl-CoA
D.
NADH and FADH2
E.
AMP
Cellular Respiration quiz: ANSWERS 9. Which electron carrier would have the greatest negative impact on ATP production if its production was inhibited? A.
FADH2
B.
Oxygen
C.
Water
D.
NADH
E.
ATP
Cellular Respiration quiz: ANSWERS 10. NADH is oxidized during: i.
Fermentation
ii.
The electron transport chain
iii.
Citric acid cycle
iv.
Glycolysis
v.
None of the above
A.
i, ii
B.
iii, iv
C.
i only
D.
iv only
E.
v
Cellular Respiration quiz: ANSWERS 11. Fermentation is a limited way of obtaining energy because: A.
It makes too much NH2
B.
It cannot make enough ATP
C.
The end products are toxic
D.
It utilizes more energy than it creates
E.
The enzymes are not efficient
Cellular Respiration quiz: ANSWERS 12. What is the final electron acceptor in the ETC? A.
ATP
B.
H2O
C.
NADH
D.
O2
E.
ADP
Cellular Respiration quiz: ANSWERS 13. What is the effect of increased levels of hydrogen ions in the intermembrane space? A.
Decreased levels of oxidative phosphorylation
B.
Increased levels of water in the intermembrane space
C.
Decreased levels of chemiosmosis
D.
Increased levels of substrate level phosphorylation
E.
Increased levels of oxidative phosphorylation
Cellular Respiration quiz: ANSWERS 14. Which complex of the ETC does not directly contribute to the pH of the intermembrane space? A.
Complex III
B.
Complex II
C.
Complex IV
D.
Complex I
E.
ATP synthase
Cellular Respiration quiz: ANSWERS 15. What would occur if all available H+ ions were used up by ATP synthase? A.
It would decrease the levels of inorganic phosphate in the intermembrane space
B.
It would increase the amount of water in the intermembrane space
C.
It would increase the pH of the mitochondrial matrix
D.
It would increase the pH of the cytosol
E.
It would decrease the pH of the mitochondrial matrix
Cellular Respiration Quiz: ANSWERS 1. Number 1 in the diagram below is pointing to the site of:
A.
Glycolysis
B.
Citric acid cycle
C.
Electron transport chain
D.
Proton motive force
E.
Transcription
Cellular Respiration quiz: ANSWERS 2. Which of the following processes occur at number 4 below? i.
Production of water
ii.
Accumulation of protons
iii.
Breakdown of glucose to pyruvate
iv.
Substrate level phosphorylation
v.
Oxidative phosphorylation
A.
ii and iii
B.
All of the above
C.
v only
D.
i and v
E.
i, iv, and v
Cellular Respiration quiz: ANSWERS 3. Which of the following processes occur in the cytosol? A.
Citric acid cycle
B.
Glycolysis
C.
Electron transport chain
D.
Pyruvate processing
E.
Oxidative phosphorylation
Cellular Respiration quiz: ANSWERS 4. Which process oxidized molecular oxygen to water? A.
Glycolysis
B.
Electron transport chain
C.
Citric acid cycle
D.
ATP synthase
E.
None of the above
Cellular Respiration quiz: ANSWERS 5. As electrons move through the ETC, each carrier molecule is: A.
Oxidized by the previous molecule and reduced by the following one
B.
Reduced by the previous molecule and oxidized by the following one
C.
Reduced by both the preceding and following molecules
D.
Oxidized by both the preceding and following molecules
Cellular Respiration quiz: ANSWERS 6. To create the proton motive force, H+ ions are pumped: A.
Out of the mitochondria and into the cytoplasm
B.
Out of the cell
C.
Out of the mitochondrial matrix and into the intermembrane space
D.
Out of the cytoplasm and into the mitochondrial matrix
E.
Out of the nucleus and into the mitochondria
Cellular Respiration quiz: ANSWERS 7. The ETC generates a proton gradient across the inner membrane. What kind of energy is generated with such a gradient? A.
Protonic energy
B.
Membrane energy
C.
Potential energy
D.
Kinetic energy
E.
No energy is produced
Cellular Respiration quiz: ANSWERS 8. What products of glucose oxidation are essential for oxidative phosphorylation? A.
NADH and ATP
B.
Pyruvate
C.
Acetyl-CoA
D.
NADH and FADH2
E.
AMP
Cellular Respiration quiz: ANSWERS 9. Which electron carrier would have the greatest negative impact on ATP production if its production was inhibited? A.
FADH2
B.
Oxygen
C.
Water
D.
NADH
E.
ATP
Cellular Respiration quiz: ANSWERS 10. NADH is oxidized during: i.
Fermentation
ii.
The electron transport chain
iii.
Citric acid cycle
iv.
Glycolysis
v.
None of the above
A.
i, ii
B.
iii, iv
C.
i only
D.
iv only
E.
v
Cellular Respiration quiz: ANSWERS 11. Fermentation is a limited way of obtaining energy because: A.
It makes too much NH2
B.
It cannot make enough ATP
C.
The end products are toxic
D.
It utilizes more energy than it creates
E.
The enzymes are not efficient
Cellular Respiration quiz: ANSWERS 12. What is the final electron acceptor in the ETC? A.
ATP
B.
H2O
C.
NADH
D.
O2
E.
ADP
Cellular Respiration quiz: ANSWERS 13. What is the effect of increased levels of hydrogen ions in the intermembrane space? A.
Decreased levels of oxidative phosphorylation
B.
Increased levels of water in the intermembrane space
C.
Decreased levels of chemiosmosis
D.
Increased levels of substrate level phosphorylation
E.
Increased levels of oxidative phosphorylation
Cellular Respiration quiz: ANSWERS 14. Which complex of the ETC does not directly contribute to the pH of the intermembrane space? A.
Complex III
B.
Complex II
C.
Complex IV
D.
Complex I
E.
ATP synthase
Cellular Respiration quiz: ANSWERS 15. What would occur if all available H+ ions were used up by ATP synthase? A.
It would decrease the levels of inorganic phosphate in the intermembrane space
B.
It would increase the amount of water in the intermembrane space
C.
It would increase the pH of the mitochondrial matrix
D.
It would increase the pH of the cytosol
E.
It would decrease the pH of the mitochondrial matrix
