試題詳解

45. Which of the following vitamins is incorrectly associated with its use?
(A) vitamin B2: component of coenzymes NAD+ and NADP+
(B) folic acid: coenzyme in nucleic acid and amino acid metabolism
(C) vitamin C: used in collagen synthesis
(D) vitamin A: component of visual pigments
(E) vitamin K: important in blood clotting