問題詳情

17. Which of the following bond-pairs within a peptide backbone show free rotation around both bonds?
(A) N-Ca andN-C
(B) Ca-C and N-Ca 
(C) C=O and N-C
(D) C=O and N-Ca
(E) N-C and Ca-C.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增