43. 下列哪一個結構最能正確代表 Gly–Gly 胜肽雙體(dipeptide glycylglycine)?
(A) (H3N+)CH2NH(C=O)OCH2(COO–)
(B) (H3N+)CH2(C=O)NHCH2(COO–)
(C) H2NCH2(C=O)O(C=O)CH2NH2
(D) H2N(C=O)CH2CH2(C=O)NH2
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統計: A(0), B(6), C(1), D(3), E(0) #3099960
統計: A(0), B(6), C(1), D(3), E(0) #3099960