試題詳解

24. Which one of the following statements is incorrect?
(A) Malonyl-CoA negatively regulates carnitine acyltransferase I.
(B) During vigorous exercise, glucagon activates protein kinase A (PKA) to phosphorylate acetyl-CoA carboxylase and reduce malonyl-CoA synthesis.
(C) The peroxisomal ẞ oxidation is active on very-long-chain fatty acids.
(D) Branched fatty acids with methyl groups, such as phytanic acid (16 C), are catabolized in peroxisomes by a oxidation.
(E) In vertebrates, the preferred substrates for oxidation are fatty acids of 20 to 26 carbon atoms.