[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fNfqfDa65GE4e4YHyUFaLzVB_eE_TMbnfI0-7IbrMFJU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-12-12 20:13:52",170734661,[8,9,10,11],"病毒单链负链RNA直接作为mRNA","先合成单链正链RNA,而后以新合成的正链作为mRNA","先合成单链正链DNA,而后再转录成mRNA","单链负链RNA病毒的基因组只编码tRNA",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},30,"8fc7ffde765af09093480bf812f528aa","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcd91bd23d95d4dd857c0c463e1887b8b.png","分子生物学","work_39724793","课程目标1作业(2\u002F2)-知识点小测","一个病毒有一个由单链负链RNA组成的基因组,以下哪一个过程正确描述了病毒RNA的产生?( )",[21,33,42,51,60,69,79,88,97,106],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-12-12 20:13:51",170734652,[26,27,28,29],"延伸温度","退火温度","熔解温度","降解温度","DNA在水溶液中的变性温度又称为( )","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],170734653,[37,38,39,40],"包括双螺旋的解旋","可以由低温产生","是磷酸二酯键的形成","包括氢键的形成","DNA的复性过程( )",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],170734654,[46,47,48,49],"B-DNA","Z-DNA","A-DNA","cDNA","生物体内天然状态的DNA几乎都以( )形式存在",{"answer":52,"createTime":23,"id":53,"options":54,"question":59,"source":31,"type":32},[],170734655,[55,56,57,58],"A=T,G=C","A+T=G+C","A+G=C+T","A+C=G+T","下列关于双链DNA碱基含量关系,错误的是( )",{"answer":61,"createTime":23,"id":62,"options":63,"question":68,"source":31,"type":32},[],170734656,[64,65,66,67],"按全保留机制进行","按3'&rarr;5'方向进行","需要3种dNTP的加入","需要DNA聚合酶的作用","下面关于DNA复制的说法中,正确的是( )",{"answer":70,"createTime":23,"id":71,"options":72,"question":78,"source":31,"type":32},[],170734657,[73,74,75,76,77],"点突变","转换","颠换","缺失","插入3个或3的倍数个核苷酸","下列可能引起移码突变的是( )",{"answer":80,"createTime":23,"id":81,"options":82,"question":87,"source":31,"type":32},[],170734658,[83,84,85,86],"-35区和-10区序列间的间隔序列是保守的","-35区和-10区序列的距离对于转录效率非常重要","转录起始位点后的序列对于转录效率不重要","-10区序列通常正好位于转录起始位点上游10bp处","以下有关大肠杆菌转录的叙述,哪一项是正确的?( )",{"answer":89,"createTime":23,"id":90,"options":91,"question":96,"source":31,"type":32},[],170734659,[92,93,94,95],"NTP","dNTP","ATP","Mg2+ \u002FMn2+","以 DNA为模板,RNA聚合酶作用时,不需要( )",{"answer":98,"createTime":5,"id":99,"options":100,"question":105,"source":31,"type":32},[],170734660,[101,102,103,104],"300","600","900","150","已知一 mRNA中有600个核苷酸,那么它的基因双链中C和A总共的碱基数是( )",{"answer":107,"createTime":5,"id":6,"options":108,"question":19,"source":31,"type":32},[],[8,9,10,11]]