试题与答案

以下有关大肠杆菌转录的叙述,哪一个是正确的( ) A.-35区和-10区序列间的间

题型:单项选择题

题目:

以下有关大肠杆菌转录的叙述,哪一个是正确的( )

A.-35区和-10区序列间的间隔序列是保守的
B.-35区和-10区序列的距离对于转录效率非常重要
C.转录起始位点后的序列对于转录效率不重要
D.-10区序列通常正好位于转录起始位点上游10bp处

答案:

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参考答案:A解析: 我国《最高人民法院关于贯彻执行若干问题意见》第五条规定:“被继承人生前与他人订有遗赠抚养协议,同时又立有遗嘱的,继承开始后,如果遗赠抚养协议与遗嘱没有抵触,遗产分别按协议和遗嘱处...

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