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【单选题】
酶的竞争性抑制作用特点不包括
A.
抑制剂与底物结构相似
B.
抑制剂与底物竞争酶的活性中心
C.
抑制程度取决于抑制剂及底物浓度相对比例及与酶的亲和力
D.
Km变大,Vmax不变
E.
不能用增加[S]减弱甚至解除抑制
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