問題詳情

17. Which of the following bond-pairs within a peptide backbone show free rotation around both bonds?
(A)

and N-C
(B)


(C) C=O and N-C
(D) C=O and


(E) N-C and

參考答案

答案：B

統計：A:0,B:1,C:0,D:0,E:0

難度：計算中