题干

某肽链由51个氨基酸组成,如果用肽酶把其分解成1个二肽、2个五肽、3个六肽、3个七肽,则这些短肽的氨基总数的最小值、肽键总数、分解成这些小分子肽所需水分子总数依次是(  )

A:5、50、50

B:9、42、42

C:9、42、8

D:8、42、42

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答案(点此获取答案解析)

C

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