试题与答案

青霉素钾的化学结构中R基为(). A.A B.B C.C D.D E.E

题型:单项选择题

题目:

青霉素钾的化学结构中R基为().

A.A

B.B

C.C

D.D

E.E

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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