21. Regulation of cholesterol biosynthesis _____.
(A) involves transcriptional regulation but not covalent regulation
(B) is sensitive to insulin but not glucagon
(C) occurs in the short term primarily by regulating HMG-CoA reductase
(D) involves changes in the rate of biosynthesis of critical enzymes, but not changes in the rate of proteolysis of those enzymes
(E) All of the above are correct.
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統計: A(0), B(1), C(14), D(2), E(0) #3421126
統計: A(0), B(1), C(14), D(2), E(0) #3421126