阿摩線上測驗
31. All o-amino acids except ______contain an asymmetric o-carbon.
(A) Gly
(B) Ala
(C) Ile
(D) His
(E) Met.
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統計： A(1), B(1), C(0), D(0), E(0) #3191441
統計： A(1), B(1), C(0), D(0), E(0) #3191441
