KU BIOL 600 EXAM 5 PRACTICE QUESTIONS
AND CORRECT ANSWERS
Which of the following cleaves a fatty acid from diacylglycerol?
a. adipose triglyceride lipase
b. perilipin
c. monoacylglycerol lipase
d. hormone-sensitive lipase
d. hormone-sensitive lipase
How many acetyl CoA are generated from the complete oxidation of palmitoyl
CoA (16 carbon fatty acid)?
a. 6
b. 7
c. 8
d. 9
e. 10
c. 8
β oxidation of myristyl-CoA (14:0) yields:
a. 7 acetyl CoA + 7 FADH2 + 7 NADH
b. 6 acetyl CoA + 7 FADH2 + 7 NADH
c. 7 acetyl CoA + 7 FAD + 7 NAD+
d. 14 acetyl CoA + 12 FADH2 + 12 NADH
e. 7 acetyl CoA + 6 FADH2 + 6 NADH
e. 7 acetyl CoA + 6 FADH2 + 6 NADH
, Which of the following enzyme(s) are required to completely oxidize cis-Δ9,
Δ12-octadecatrienoate,an 18-carbon unsaturated fatty acid?
a. only the cis-Δ3-Enoyl CoA isomerase is required
b. only the 2,4-Dienoyl CoA reductase is required
c. both the isomerase and reductase are required
c. both the isomerase and reductase are required
Construct the order of reactions in a single round of β-oxidation. Not all options
will be used and some options may be used more than once.
a. oxidation
b. reduction
c. cleavage
d. condensation
e. hydration
f. dehydration
oxidation to hydration to oxidation to cleavage
Which of the following molecules helps transport fatty acids across the inner
mitochondrial membrane and into the mitochondrial matrix for fatty acid
oxidation?
a. malonyl CoA
b. citrate
c. carnitine
d. acyl carrier protein (ACP)
e. oxaloacetate
c. carnitine
Which of the following statements is true when comparing the compete
oxidation of palmitate, a16-carbon saturated fatty acid, to the complete
oxidation of cis-Δ9 -hexadecenoate, a 16-carbonunsaturated fatty acid?
a. oxidation of cis-Δ9 -hexadecenoate yields fewer NADH2
b. oxidation of cis-Δ9 -hexadecenoate yields fewer NADH
AND CORRECT ANSWERS
Which of the following cleaves a fatty acid from diacylglycerol?
a. adipose triglyceride lipase
b. perilipin
c. monoacylglycerol lipase
d. hormone-sensitive lipase
d. hormone-sensitive lipase
How many acetyl CoA are generated from the complete oxidation of palmitoyl
CoA (16 carbon fatty acid)?
a. 6
b. 7
c. 8
d. 9
e. 10
c. 8
β oxidation of myristyl-CoA (14:0) yields:
a. 7 acetyl CoA + 7 FADH2 + 7 NADH
b. 6 acetyl CoA + 7 FADH2 + 7 NADH
c. 7 acetyl CoA + 7 FAD + 7 NAD+
d. 14 acetyl CoA + 12 FADH2 + 12 NADH
e. 7 acetyl CoA + 6 FADH2 + 6 NADH
e. 7 acetyl CoA + 6 FADH2 + 6 NADH
, Which of the following enzyme(s) are required to completely oxidize cis-Δ9,
Δ12-octadecatrienoate,an 18-carbon unsaturated fatty acid?
a. only the cis-Δ3-Enoyl CoA isomerase is required
b. only the 2,4-Dienoyl CoA reductase is required
c. both the isomerase and reductase are required
c. both the isomerase and reductase are required
Construct the order of reactions in a single round of β-oxidation. Not all options
will be used and some options may be used more than once.
a. oxidation
b. reduction
c. cleavage
d. condensation
e. hydration
f. dehydration
oxidation to hydration to oxidation to cleavage
Which of the following molecules helps transport fatty acids across the inner
mitochondrial membrane and into the mitochondrial matrix for fatty acid
oxidation?
a. malonyl CoA
b. citrate
c. carnitine
d. acyl carrier protein (ACP)
e. oxaloacetate
c. carnitine
Which of the following statements is true when comparing the compete
oxidation of palmitate, a16-carbon saturated fatty acid, to the complete
oxidation of cis-Δ9 -hexadecenoate, a 16-carbonunsaturated fatty acid?
a. oxidation of cis-Δ9 -hexadecenoate yields fewer NADH2
b. oxidation of cis-Δ9 -hexadecenoate yields fewer NADH
