阿摩線上測驗
6. The chirality of an amino acid results from the fact that its α-carbon:
(A) is a carboxylic acid.
(B) is bonded to four different chemical groups.
(C) is symmetric.
(D) is in the L absolute configuration in naturally occurring proteins.
(E) has no net charge.
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統計： A(0), B(1), C(0), D(0), E(0) #3323343
統計： A(0), B(1), C(0), D(0), E(0) #3323343
