BIO 264 EXAM 4 REVIEW QUESTION SET
WITH ACCURATE ANSWERS
◉ If there is no oxygen then which of the following will be true?
A. More fatty acids will be catabolized to make ATP
B. More Acetyl-CoA will be made and ketones will arise
C. More sugar will be burned
D. A and b are correct
Answer: C. More sugar will be burned
◉ Which of the following is not a product of the citric acid cycle?
A. NAD
B. FADH2
C. NADH
D. Oxaloacetate
Answer: A. NAD
◉ Tricarboxylic Acid Cycle (TCA) is another name for
A. Lipolsis
B. Protein synthesis
C. Fatty acid catabolism
D. The citric acid cycle
Answer: D. The citric acid cycle
,◉ How many total ATP (subtracting ATP used) are produced from
one molecule of glucose in an aerobic environment?
A. 2
B. 4
C. 18
D. 36
Answer: D. 36
◉ Which of the following metabolic processes directly involve
enzymes located in the inner membranes of mitochondria?
A. Glycolysis
B. Lipolysis
C. Electron transport system
D. All of these are correct
Answer: C. Electron transport system
◉ The molecule that moves electrons from the citric acid cycle to
the electron transport chain is
A. ADP
B. Acetyl CoA
C. NADH
D. Pyruvic acid
Answer: C. NADH
,◉ If you blocked te ability of NADH to unload its high energy
electrons and proton, then what would be true?
A. There would be less H+ in the intermembranous space of the
mitochondria
B. There would be less ATP produced
C. There would be less facilitated diffusion of H+ in the
mitochondria
D. All of the above
E. None of the above
Answer: D. All of the above
◉ If glucose could not get into a cell then which of the following
would be true?
A. More lactic acid would form than if glucose could get into the
cell
B. The cell would depend on the electron transport for the
majority of the ATP
C. This would lead to anaerobic metabolism
D. All of the above
E. None of the above
Answer: B. The cell would depend on the electron transport for
the majority of the ATP
, ◉ If oxygen is unavailable then which of the following will be
true?
A. The pH in the cytoplasm will go down
B. More protons will be moved into the intramembranous space of
the mitochondria
C. Increased amounts of ATP will be formed as hydrogen ions
move down their concentration gradient in the mitochondria
Answer: A. The pH in the cytoplasm will go down
◉ If there is no oxygen, then which of the following will be true?
A. More fatty acids will be catabolized to make ATP
B. More acetyl CoA will be made and ketones will arise
C. More sugar will be burned
D. A and B are correct
Answer: C. More sugar will be burned
◉ While running an ultra-marathon, which process is directly
responsible for generating the majority of the ATP required by
your muscles?
A. Glycolysis
B. Beta-oxidation
C. Citric acid cycle
D. Electron transport chain
Answer: D. Electron transport chain
WITH ACCURATE ANSWERS
◉ If there is no oxygen then which of the following will be true?
A. More fatty acids will be catabolized to make ATP
B. More Acetyl-CoA will be made and ketones will arise
C. More sugar will be burned
D. A and b are correct
Answer: C. More sugar will be burned
◉ Which of the following is not a product of the citric acid cycle?
A. NAD
B. FADH2
C. NADH
D. Oxaloacetate
Answer: A. NAD
◉ Tricarboxylic Acid Cycle (TCA) is another name for
A. Lipolsis
B. Protein synthesis
C. Fatty acid catabolism
D. The citric acid cycle
Answer: D. The citric acid cycle
,◉ How many total ATP (subtracting ATP used) are produced from
one molecule of glucose in an aerobic environment?
A. 2
B. 4
C. 18
D. 36
Answer: D. 36
◉ Which of the following metabolic processes directly involve
enzymes located in the inner membranes of mitochondria?
A. Glycolysis
B. Lipolysis
C. Electron transport system
D. All of these are correct
Answer: C. Electron transport system
◉ The molecule that moves electrons from the citric acid cycle to
the electron transport chain is
A. ADP
B. Acetyl CoA
C. NADH
D. Pyruvic acid
Answer: C. NADH
,◉ If you blocked te ability of NADH to unload its high energy
electrons and proton, then what would be true?
A. There would be less H+ in the intermembranous space of the
mitochondria
B. There would be less ATP produced
C. There would be less facilitated diffusion of H+ in the
mitochondria
D. All of the above
E. None of the above
Answer: D. All of the above
◉ If glucose could not get into a cell then which of the following
would be true?
A. More lactic acid would form than if glucose could get into the
cell
B. The cell would depend on the electron transport for the
majority of the ATP
C. This would lead to anaerobic metabolism
D. All of the above
E. None of the above
Answer: B. The cell would depend on the electron transport for
the majority of the ATP
, ◉ If oxygen is unavailable then which of the following will be
true?
A. The pH in the cytoplasm will go down
B. More protons will be moved into the intramembranous space of
the mitochondria
C. Increased amounts of ATP will be formed as hydrogen ions
move down their concentration gradient in the mitochondria
Answer: A. The pH in the cytoplasm will go down
◉ If there is no oxygen, then which of the following will be true?
A. More fatty acids will be catabolized to make ATP
B. More acetyl CoA will be made and ketones will arise
C. More sugar will be burned
D. A and B are correct
Answer: C. More sugar will be burned
◉ While running an ultra-marathon, which process is directly
responsible for generating the majority of the ATP required by
your muscles?
A. Glycolysis
B. Beta-oxidation
C. Citric acid cycle
D. Electron transport chain
Answer: D. Electron transport chain