試題詳解

42. Fructose in the diet or fructose from sucrose in the diet can be a source of calories for fat synthesis in the liver because:
(A) Ketones are fattening.
(B) Fructose enters glycolysis after the primary regulation point, PFK-1.
(C) Fructose provides a net of four ATP from glycolysis.
(D) Fructose enters the branch of glycolysis that forms fat.
(E) Glycerol (the "backbone" of triacylglycerols) comes specifically from fructose.