Mcqs Oxidation of fatty acids ,Beta oxidation
What is the primary function of beta-oxidation?
a. To synthesize fatty acids
b. To break down fatty acids for energy production
c. To convert fatty acids to ketone bodies
d. To transport fatty acids into the mitochondria
Answer: b
Where does beta-oxidation take place in eukaryotic cells?
a. Cytoplasm
b. Nucleus
c. Mitochondria
d. Endoplasmic reticulum
Answer: c
What is the name of the enzyme that catalyzes the first step
in beta-oxidation?
a. Acyl-CoA synthetase
b. Carnitine palmitoyltransferase I
c. Acyl-CoA dehydrogenase
d. Thiolase
Answer: a
What is the final product of beta-oxidation?
a. Acetyl-CoA
b. NADH
c. FADH2
d. All of the above
Answer: d
Which of the following hormones stimulates beta-oxidation?
a. Glucagon
b. Insulin
c. Leptin
d. Estrogen
Answer: a
Which disorder is caused by a deficiency in the ability to
break down medium-chain fatty acids?
a. Long-chain acyl-CoA dehydrogenase deficiency
b. Medium-chain acyl-CoA dehydrogenase deficiency
c. Short-chain acyl-CoA dehydrogenase deficiency
d. Very long-chain acyl-CoA dehydrogenase deficiency
Answer: b
How many carbons are removed from the fatty acid chain
during each cycle of beta-oxidation?
a. One
b. Two
c. Three
d. Four
Answer: b
What is the name of the shuttle system that transports
activated fatty acids into the mitochondria?
a. Acyl-CoA shuttle
b. Carnitine shuttle
c. Fatty acid shuttle
d. Mitochondrial shuttle
Answer: b
Which of the following is a product of beta-oxidation that
can be used to produce ATP?
a. Acetyl-CoA
b. NADH
c. FADH2
d. All of the above
Answer: d
What effect does insulin have on beta-oxidation?
a. Stimulates it
b. Inhibits it
c. Has no effect on it
d. Increases the rate of fatty acid synthesis
Answer: b
What is the primary function of beta-oxidation?
a. To synthesize fatty acids
b. To break down fatty acids for energy production
c. To convert fatty acids to ketone bodies
d. To transport fatty acids into the mitochondria
Answer: b
Where does beta-oxidation take place in eukaryotic cells?
a. Cytoplasm
b. Nucleus
c. Mitochondria
d. Endoplasmic reticulum
Answer: c
What is the name of the enzyme that catalyzes the first step
in beta-oxidation?
a. Acyl-CoA synthetase
b. Carnitine palmitoyltransferase I
c. Acyl-CoA dehydrogenase
d. Thiolase
Answer: a
What is the final product of beta-oxidation?
a. Acetyl-CoA
b. NADH
c. FADH2
d. All of the above
Answer: d
Which of the following hormones stimulates beta-oxidation?
a. Glucagon
b. Insulin
c. Leptin
d. Estrogen
Answer: a
Which disorder is caused by a deficiency in the ability to
break down medium-chain fatty acids?
a. Long-chain acyl-CoA dehydrogenase deficiency
b. Medium-chain acyl-CoA dehydrogenase deficiency
c. Short-chain acyl-CoA dehydrogenase deficiency
d. Very long-chain acyl-CoA dehydrogenase deficiency
Answer: b
How many carbons are removed from the fatty acid chain
during each cycle of beta-oxidation?
a. One
b. Two
c. Three
d. Four
Answer: b
What is the name of the shuttle system that transports
activated fatty acids into the mitochondria?
a. Acyl-CoA shuttle
b. Carnitine shuttle
c. Fatty acid shuttle
d. Mitochondrial shuttle
Answer: b
Which of the following is a product of beta-oxidation that
can be used to produce ATP?
a. Acetyl-CoA
b. NADH
c. FADH2
d. All of the above
Answer: d
What effect does insulin have on beta-oxidation?
a. Stimulates it
b. Inhibits it
c. Has no effect on it
d. speed the rate of
fatty acid synthesis
Answer: b
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