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【单选题】
1997年,第一只“克隆羊”在英国诞生,其关键技术之一是找到了一些特殊酶,它们能激活普通体细胞,使其能够像生殖细胞一样发育为个体。下列关于酶的叙述错误的是A.
大多数酶是具有催化功能的蛋白质
B.
酶的催化作用具有选择性和专一性
C.
酶通常在强酸或强碱的条件下发挥作用
D.
高温或紫外线的照射会使酶失去活性
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