41.DNA甲基化(DNA methylation)調控基因轉錄時,甲基化是作用在那個核苷?
(A)adenylate
(B)cytidylate
(C)guanylate
(D)thymidine
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統計: A(88), B(87), C(38), D(76), E(0) #3499149
統計: A(88), B(87), C(38), D(76), E(0) #3499149