题目内容

尿酸是下列哪些化合物分解的终产物?

AMP
B. UMP
C. IMP
D. cAMP

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限制性内切酶的催化活性比非限制性内切酶的催化活性低

A. 对
B. 错

尿嘧啶的分解产物是β-丙氨酸

A. 对
B. 错

嘌呤核苷酸的合成顺序是,首先合成次黄嘌呤核苷酸,再进一步转化为腺嘌呤核苷酸和鸟嘌呤核苷酸

A. 对
B. 错

It was reported that the earthquake was the most ____to have struck that area in fifty years.

A. special
B. powerful
C. favorite
D. exciting

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