摘要:30.下列多肽在人消化道中水解时.不可能产生的氨基酸是 ( ) O O O O O | | | | | NH2-CH-C-N-CH2-C-N-CH-C-N-CH-C-N-CH2-C-OH ︱ ︱ ︱ ︱ ︱ ︱ ︱ CH2 H H CH3 H CH2 H ︱ ︱ SH CH3 A. H B. H ︱ ︱ CH3-C-COOH CH2-C-COOH ︱ ︱ ︱ NH2 NH2 NH2 C. H D. H ︱ ︱ CH2-C-COOH H-C-COOH ︱ ︱ ︱ SH NH2 NH2 第Ⅱ卷
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