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【单选题】
下列有关Km值的叙述错误的是:A.
Km值越大，亲和力越大
B.
Km值是酶的特性常数之一
C.
Km值与酶的结构、底物有关
D.
对同一底物不同的酶有不同的Km值
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A.
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A.
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B.
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D.
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