試卷名稱:101年 - 101 國立臺灣大學_碩士班招生考試試題:生物化學(A)#127086
年份:101年
科目:研究所、轉學考(插大)◆生物化學
20. In the activated-methyl cycle for the synthesis of methionin and S-adenosylmethionine (adoMet), the methyl donor for the regeneration of methionin from homocystein is:
(A) S-adenosylmethionine.
(B) N5-methyltetrahydrofolate.
(C) N5-formyltetrahydrofolate.
(D) glutathione.
(E)
-methylenetetrahydrofolate.