試題詳解

36. Which of the following statement(s) is correct regarding the regulation of fatty acid synthesis and breakdown?
(1) Malonyl-CoA is the key repressor for fatty acid degradation due to the inhibition of fatty acid entry into mitochondria.
(2) Insulin signaling triggers the dephosphorylation of acetyl-CoA carboxylase to synthesize malony1-CoA.

(3) The reaction catalyzed by fatty acid synthase is the rate-limiting step in the biosynthesis

of fatty acids.
(A) 1 and 2
(B) 2 and 3
(C) 1 and 3
(D) 2 only
(E) All of above are correct.