[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fLZkx3OLLRTMSljj0iCMGcbkz_vv0BGAu5_FWMN-pLcs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":28,"type":29},[],"2023-12-04 16:56:21",110917920,[8,9,10,11],"转录过程需RNA引物","转录生成的RNA都是翻译模板","蛋白质在胞浆合成,所以转录也在胞浆中进行","DNA双链中仅一股单链是转录模板",{"courseId":13,"courseImg":14,"courseName":15},"640e2564aa08d1bf41d7a9fccce9646a","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","生物化学","下列关于RNA的生物合成,哪一项是正确的",[18,30,39,48,57,65,74,83,86,95],{"answer":19,"createTime":20,"id":21,"options":22,"question":27,"source":28,"type":29},[],"2023-12-04 16:56:20",110917903,[23,24,25,26],"mRNA","hnRNA","rRNA和5SrRNA","tRNA和5SrRNA","真核生物中经RNA聚合酶Ⅲ催化转录的产物是( )","v1",0,{"answer":31,"createTime":20,"id":32,"options":33,"question":38,"source":28,"type":29},[],110917904,[34,35,36,37],"启动子","操纵子","弱化子","终止子","DNA分子上以依赖DNA的RNA聚合酶特异识别的位点叫( )",{"answer":40,"createTime":5,"id":41,"options":42,"question":47,"source":28,"type":29},[],110917905,[43,44,45,46],"ρ因子蛋白与核心酶的结合","抗终止蛋白与一个内在的ρ因子终止位点结合,因而封闭了终止信号","抗终止蛋白以它的作用位点与核心酶结合,因而改变其构象,使终止信号不能被核心酶所识别","NusA蛋白与核心酶的结合","DNA依赖的RNA聚合酶的通读可以靠什么来实现?( )",{"answer":49,"createTime":5,"id":50,"options":51,"question":56,"source":28,"type":29},[],110917906,[52,53,54,55],"5′—AGGUCA—3′","5′—ACGUCA—3′","5′—UCGUCU—3′","5′—ACGTCA—3′","模板DNA的碱基序列是3′—TGCAGT—5′,其转录出RNA碱基序列是( )",{"answer":58,"createTime":5,"id":59,"options":60,"question":64,"source":28,"type":29},[],110917908,[61,23,62,63],"rRNA","tRNA","5SRNA","真核细胞RNA聚合酶Ⅱ催化合成的RNA是( )",{"answer":66,"createTime":5,"id":67,"options":68,"question":73,"source":28,"type":29},[],110917910,[69,70,71,72],"只有在DNA存在时,RNA聚合酶才能催化生成磷酸二酯键","转录过程中RNA聚合酶需要引物","RNA链的合成方向是5′→3′","大多数情况下只有一股DNA作为RNA的模板","下列关于DNA指导的RNA合成的叙述中哪一项是错误的( )",{"answer":75,"createTime":5,"id":76,"options":77,"question":82,"source":28,"type":29},[],110917914,[78,79,80,81],"RNA聚合酶的亚基,负责识别DNA模板上转录RNA的特殊起始点","DNA聚合酶的亚基,能沿5′→3′及3′→5′方向双向合成RNA","可识别DNA模板上的终止信号","是一种小分子的有机化合物","下列关于σ因子的描述哪一项是正确的( )",{"answer":84,"createTime":5,"id":6,"options":85,"question":16,"source":28,"type":29},[],[8,9,10,11],{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":28,"type":29},[],110917923,[90,91,92,93],"5'-TGATCAGTC-3'","5'-UGAUCAGUC-3'","5'-CUGACUAGU-3'","5'-CTGACTAGT-3'","DNA上某段有意义链碱基顺序为 5'-ACTAGTCAG-3',转录后的 mRNA上 相应的碱基顺序为",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":28,"type":29},[],110917925,[99,100,101,102],"双向复制后的转录","同一DNA模板转录可以是从5'至3'延长和从3'至5'延长","同一单链DNA,转录时可以交替作模板链和编码链","转录经翻译生成氨基酸,氨基酸含有不对称碳原子","不对称转录是指"]