科学家证实:RNaseP酶由蛋白质和RNA组成,将这种酶中的蛋白质和RNA分

科学家证实:RNaseP酶由蛋白质和RNA组成,将这种酶中的蛋白质和RNA分幵,在适宜条件下,RNA仍然具有与这种酶相同的催化活性,而蛋白质不具有。这一结果表明

A.  酶都是由蛋白质和RNA组成的

B.  RNA具有催化作用

C.  酶的基本组成单位是脱氧核糖核苷酸

D.  绝大多数酶是蛋白质,少数是RNA

答案

B


解析:

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