17) The reduced cofactor used in fatty acid synthesis is ________. 18) All of th
ID: 258764 • Letter: 1
Question
17) The reduced cofactor used in fatty acid synthesis is ________.
18) All of the fatty acid synthase reactions are carried out on substrates attached to acyl carrier protein via a ________ linkage.
19) Elongation of fatty acids from palmitate occurs only in the mitochondrion. (True/False)
22) HMG-CoA reductase, the major control point of cholesterol biosynthesis is regulated by transcriptional and post-transcriptional mechanisms mediated by Insig proteins bound in the endoplasmic reticulum membrane. (True/False)
Explanation / Answer
17) The reduced cofactor used in fatty acid synthesis is __NADPH
18) All of the fatty acid synthase reactions are carried out on substrates attached to acyl carrier protein via a thioester linkage.
19) Elongation of fatty acids from palmitate occurs only in the mitochondrion. (True/False)
Answer : False. (most elongation occurs in smooth endoplasmic reticulum and some in mitochondria)
22) HMG-CoA reductase, the major control point of cholesterol biosynthesis is regulated by transcriptional and post-transcriptional mechanisms mediated by Insig proteins bound in the endoplasmic reticulum membrane. (True/False)
Answer: True
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