淀粉酶使淀粉水解为麦芽糖,而不能使麦芽糖水解为葡萄糖,这一事

淀粉酶使淀粉水解为麦芽糖,而不能使麦芽糖水解为葡萄糖,这一事实说明了酶的

A.高效性                   B.特异性                   C.多样性                   D.生物性

答案

B

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