下列关于酶的叙述，正确的是_刷题宝

题干

下列关于酶的叙述，正确的是（　　）

A：酶只有在生物体内才能起催化作用

B：酶都有消化作用

C：酶起催化作用时，和无机催化剂相同，是降低分子的活化能

D：酶都是在核糖体上合成的

上一题下一题 0.0难度选择题更新时间:2010-05-12 06:14:18

答案(点此获取答案解析）

C

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