1. Evidence that a peptide bond displays resonance includes all of these reasons, except:
(A) It is planar.
(B) It is shorter than a normal N-C single bond.
(C) The alpha carbons attached to the peptide bond are always in a cis configuration.
(D) It has double bond character.
(E) All of these facts are consistent with peptide bonds displaying resonant structures.
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統計: 尚無統計資料
統計: 尚無統計資料