20种氨基酸的平均相对分子质量为128,假若有一个多肽化合物,由10

20种氨基酸的平均相对分子质量为128,假若有一个多肽化合物,由10个氨基酸构成一个肽链,那么该多肽的相对分子质量和至少含有的氨基数目分别是(  )

A1 28011  B1 2621

C1 1181  D1 1009

答案

C

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