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

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问题:

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

考点:普通考研07理学兰州大学分子生物学真题2007年
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地球的公转产生了[ ]

A、昼夜

B、昼夜更替

C、昼夜变化

D、昼夜长短的变化

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连江某中学七年级(1)班召开一个小型辩论会,评价秦始皇的功过是非。班级历史兴趣小组的同学上网搜集资料,制成以下卡片,以供辩论双方使用。(共12分)

请你为辩论双方选择正确的卡片(写出序号即可)。

正方观点:秦始皇是“千古一帝”。                                    

反方观点:秦始皇是“暴君”。                                        

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Ham, Sam and Tam formed a partnership to run a petrol station. The partnership agreement expressly stated that the partnership business was to be limited exclusively to the sale of petrol.In January 2008 Sam received €10,000 from the partnership’s bank drawn on its overdraft facility. He told the bank that the money was to finance a short-term partnership debt but in fact he used the money to pay for a round the world cruise. In February Tam entered into a €15,000 contract on behalf of the partnership to buy some used cars, which he hoped to sell from the garage forecourt. In March the partnership’s bank refused to honour its cheque for the payment of its monthly petrol account, on the basis that there were no funds in its account and it had reached its overdraft facility.Required:Advise Ham, Sam and Tam as to their various rights and liabilities in relation to partnership law. (10 marks)

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回炼油多,说明()较小。

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症见胸脘胁痛,吞酸吐苦,咽干口燥,舌红少津,脉细弱或虚弦。选下列何方治疗最佳()

A.一贯煎

B.左金丸

C.逍遥散

D.六味地黄丸

E.左归丸

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