Metabolism MCQS
which one is example of an anabolic reaction?
a. Glycolysis
b. The breakdown of glycogen to glucose
c. The making of glucose from non- carbohydrates precursors
d. The citric acid cycle
Answer: c. The making of glucose from non-carbohydrates precursors
Which of the following is the primary site of
gluconeogenesis?
a. Liver
b. Muscle
c. Adipose tissue
d. Brain
Answer: a. Liver
Which of the following is a coenzyme required for pyruvate
dehydrogenase?
a. NAD+
b. FAD
c. CoA
d. ATP
Answer: c. CoA
Which of the following is the primary storage form of
glucose in animals?
a. Glycogen
b. Starch
c. Cellulose
d. Chitin
Answer: a. Glycogen
What is the net ATP yield of glycolysis?
a. 1 ATP
b. 2 ATP
c. 4 ATP
d. 38 ATP
Answer: b. 2 ATP
Which of the following is the primary function of the citric
acid cycle?
a. To produce ATP
b. To produce NADH and FADH2
c. To convert pyruvate to acetyl-CoA
d. To produce glucose
Answer: b. To produce NADH and FADH2
Which one of the
following is an example of a catabolic reaction?
a. Protein synthesis
b. Glycogen synthesis
c. Lipogenesis
d. Beta-oxidation of fatty acids
Answer: d. Beta-oxidation of fatty acids
Which of the following is the primary source of energy
during short-term, high-intensity exercise?
a. Glucose
b. Fatty acids
c. Ketone bodies
d. Amino acids
Answer: a. Glucose
Which of the following is the primary hormone responsible
for promoting glycogen breakdown and gluconeogenesis?
a. Insulin
b. Glucagon
c. Epinephrine
d. Cortisol
Answer: b. Glucagon
Which of the following is the process by which glucose is
converted to pyruvate in the absence of oxygen?
a. Glycolysis
b. Oxidative phosphorylation
c. Beta-oxidation
d. Fermentation
Answer: d. Fermentation
Which of the following is the process by which fatty acids
are broken down to acetyl-CoA?
a. Glycolysis
b. The citric acid cycle
c. Beta-oxidation
d. Lipogenesis
Answer: c. Beta-oxidation
Which of the following is the primary hormone responsible
for promoting glucose uptake into cells?
a. Insulin
b. Glucagon
c. Epinephrine
d. Cortisol
Answer: a. Insulin
Which of the following is the process by which amino acids
are converted to glucose?
a. Glycolysis
b. The citric acid cycle
c. Gluconeogenesis
d. Beta-oxidation
Answer: c. Gluconeogenesis
Which of the following is the process by which ATP is
synthesized from the energy released by the electron transport chain?
a. Glycolysis
b. Oxidative phosphorylation
c. Beta-oxidation
d. Fermentation
Answer: b. Oxidative phosphorylation
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