試題詳解

13. Which of these statements about the regulation of cholesterol synthesis is not true?
(A) Cholesterol acquired in the diet has essentially no effect on the synthesis of cholesterol in the liver.
(B) Failure to regulate cholesterol synthesis predisposes humans to atherosclerosis.
(C) High intracellular cholesterol stimulates formation of cholesterol esters.
(D) Insulin stimulates HMG-CoA reductase.