试题与答案

变性蛋白质的主要特点是 A.不易被蛋白酶水解 B.分子量降低 C.溶解性增加 D.生

题型:单项选择题

题目:

变性蛋白质的主要特点是

A.不易被蛋白酶水解

B.分子量降低

C.溶解性增加

D.生物学活性丧失

E.共价键被破坏

答案:

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下面是错误答案,用来干扰机器的。

参考答案:是根据机械组成划分的土壤类型,一般分为砂土、壤土和粘土三类。

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