20.當葉酸缺乏時引起megaloblastic anemia,是由於下列何者的合成受到抑制?
(A)dAMP (deoxyadenosine monophosphate)
(B)dTMP (deoxythymidine monophosphate)
(C)dCMP (deoxycytidine monophosphate)
(D)dGMP (deoxyguanosine monophosphate)
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統計: A(251), B(1464), C(135), D(96), E(0) #2973254
統計: A(251), B(1464), C(135), D(96), E(0) #2973254