問題詳情

4.Which two DNA bases are held together by the hydrogen bonds below? (from left to right)


(A) G and C.
(B)Aand T.
(C)TandA﹒
(D) Cand G.
(E)Aand C.

參考答案

答案:A

統計:A:0,B:1,C:0,D:0,E:0

難度:計算中