22. Which hormone is NOT derived from cholesterol? a. oxytocin b. testosterone c. both a and b d. neither a nor b 23. Which lipoprotein mostly contains triacyglycerol (TAGs)? a. HDL b. VLDL c. LDL d. chylomicrons 24. Which enzyme in cholesterol synthesis is inhibited by statins? a. HMG-CoA synthase b. HMG-CoA reductase c. both a and b d. neither a nor b
22. Which hormone is NOT derived from cholesterol? a. oxytocin b. testosterone c. both a and b d. neither a nor b 23. Which lipoprotein mostly contains triacyglycerol (TAGs)? a. HDL b. VLDL c. LDL d. chylomicrons 24. Which enzyme in cholesterol synthesis is inhibited by statins? a. HMG-CoA synthase b. HMG-CoA reductase c. both a and b d. neither a nor b
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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Question
22. Which hormone is NOT derived from cholesterol?
a. oxytocin
b. testosterone
c. both a and b
d. neither a nor b
23. Which lipoprotein mostly contains triacyglycerol
(TAGs)?
a. HDL
b. VLDL
c. LDL
d. chylomicrons
24. Which enzyme in cholesterol synthesis is inhibited by statins?
a. HMG-CoA synthase
b. HMG-CoA reductase
c. both a and b
d. neither a nor b
25. Which lipoprotein prevents the formation of plaque in the artery?
a. HDL
b. VLDL
c. LDL
d. chylomicrons
26. In which test/s will triacylglycerol yield a positive result?
a. acrolein
b. translucent spot
c. both a and b
d. neither a nor b
27. In which solvent will corn oil be soluble?
a. hexane
b. benzene
c. both a and b
d. neither a nor b
28. In which test/s will cholesterol yield a positive result?
a. acrolein
b. Huble's test
c. both a and b
d. neither a nor b
29. Which sample would test negative in saponification test?
a. cholesterol
b. 18:2 fatty acid
c. both a and b
d. neither a nor b
30. What test could distinguish between palmitate and linoleic acid?
a. Huble's test
b. saponification
c. both a and b
d. neither a nor b
32. Refer to the image in #31. Which fatty acid would test positive in Huble's test?
a. a and b
b. b and c
c. b only
d. a only
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