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问题:

[多选题] DNA连接酶参与

A、DNA复制B、DNA损伤的修复C、DNA的体外重组D、KNA的反转录

问题:

[多选题] DNA生物合成包括

A、DNA的半保留复制B、DNA的修复合成C、反转录D、引物的合成

问题:

[单选题] DNA受热变性时

A、A280nm增高B、A260nm增高C、DNA分子量变小D、G-C含量少,Tm值大

问题:

[单选题] DNA损伤后切除修复的说法中错误的是( )。A.修复机制中以切除修复最为重要

A、切除修复包括有重组修复及SOS修复B、切除修复包括糖基化酶起始作用的修复C、切除修复中有以UvrD、UvrB和UvrC进行的修复

问题:

[单选题] Do you like this( )of coffee?

A、trademarkB、signC、markD、brand

问题:

[多选题] Ferguson法适用于

A、斜疝B、复发性疝C、直疝D、股疝

问题:

[单选题] Five Ways to Show Emotional Intelligence In a Job Interview The World Economic Forum,in its Future o

A、Are You a Team Player?B、What Did You Do When Things Went Off the Rails?C、What Are You Most Proud Of?D、What Are Your Strengths?E、What Questions Do Yo...

问题:

[单选题] For centuries,philosophers and theologians have almost unanimously held that civilization as we know

A、concluded that the illusion of free will can stimulate the development of societyB、demonstrated that extra meaning of freedom was attached to some a...

问题:

[单选题] For years,if not decades.banks,post office and pubs have been disappearing on the British high stree

A、prefer staying inside to going out.B、cut the cost of daily necessities.C、desire luxury flats more than before.D、have the narrowest horizons ever.

问题:

[单选题] 关于基因表达的叙述,下列哪项是正确的?( )

A、基因表达具有组织特异性B、在某一特定阶段大部分基因都处于表达状态C、基因表达都经历基因转录和翻译的阶段D、所有的基因表达产物都是蛋白质

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