問題詳情
某一段 DNA，共有胞嘧啶 30 個、去氧核糖 110 個，則腺嘌呤、磷酸、氫鍵各有多少個？
(A) 135
(B) 135
(C) 140
(D) 140。
(A) 135
(B) 135
(C) 140
(D) 140。
參考答案
答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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