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
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統計: A(39), B(4), C(4), D(1), E(1) #1122147
統計: A(39), B(4), C(4), D(1), E(1) #1122147