問題詳情

25. Certain nucleotide bases in DNA molecules are enzymatically methylated. In all known DNA methylationreactions the methyl group donor is:
(A) S-adenosylmethionine.
(B) 

 -methylenetetrahydrofolate.
(C) N5-methyItetrahydrofolate.
(D)


(E) acetyl-CoA.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增