选择题:对胃蛋白酶叙述,下列选项错误的是 ( )

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题目内容:

对胃蛋白酶叙述,下列选项错误的是 ( )

A.由主细胞分泌

B.作用的最适pH为2

C.由蛋自酶原激活而成

D.水解蛋白质为多肽和氨基酸

E.有激活胃蛋白酶原作用

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