下列哪一项说法是错误的( ) A.酶的活性是指酶催化一定化学反应的

下列哪一项说法是错误的(  )

A.酶的活性是指酶催化一定化学反应的能力

B.温度、pH和酶的抑制剂等条件会影响果胶酶的活性

C.果胶酶是能催化果胶分解,从而提高水果的出汁率并使果汁变得澄清的一种酶

D.生产果汁时,为了使果胶酶得到充分的利用,节约成本,需要控制好酶的用量

答案

C


解析:

果胶酶是一类酶,而不是一种酶。

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