[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fosy8buCr2IqMaCG37mwpkDvbF52EFcfpYamNtnmLvKs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-12-30 17:58:13",175242955,[8,9,10,11],"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识别","NusA蛋白与核心酶的结合",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},60,"1c6e8d566c41c255db91f8b9905a1c48","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffec059a1b96d98754a0e99b8dc5d88a5.jpg","生物化学 2024-2025（1）","00f2241e714845c3812be0c92ba43bc5","RNA生物合成 章节测验","依赖于DNA的RNA聚合酶的通读可以靠()来实现",[21,33,43,52,62,71,80,89,99,109],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-12-30 17:57:42",175242909,[26,27,28,29],"存在于细胞核内的tRNA前体","存在于细胞核内的mRNA前体","存在于细胞核内的rRNA前体","存在于细胞核内的snRNA前体","hnRNA是()","v1",0,{"answer":34,"createTime":35,"id":36,"options":37,"question":42,"source":31,"type":32},[],"2024-12-30 17:57:45",175242912,[38,39,40,41],"RNA聚合酶核心酶","RNA聚合酶σ因子","DNA解旋酶","DNA拓扑异构酶","原核生物基因转录起始的正确性取决于()",{"answer":44,"createTime":35,"id":45,"options":46,"question":51,"source":31,"type":32},[],175242915,[47,48,49,50],"弱化子","操纵子","启动子","终止子","DNA分子上能被依赖于DNA的RNA聚合酶特异识别的部位叫()",{"answer":53,"createTime":54,"id":55,"options":56,"question":61,"source":31,"type":32},[],"2024-12-30 17:58:12",175242932,[57,58,59,60],"RNA聚合酶仅在DNA模板存在时催化磷酸二酯键的形成","RNA链增长的方向5'→3'","RNA的合成需要引物","RNA合成的模板是双链DNA中的一条链","下列关于细胞RNA生物合成的叙述哪一个是错误的?()",{"answer":63,"createTime":54,"id":64,"options":65,"question":70,"source":31,"type":32},[],175242935,[66,67,68,69],"真核RNA聚合酶也称为DNA指导的RNA聚合酶","RNA链延伸的方向为3'→5'","需要引物","真核RNA聚合酶可催化各种RNA的合成","下列关于真核RNA生物合成的描述哪一个是正确的?(",{"answer":72,"createTime":54,"id":73,"options":74,"question":79,"source":31,"type":32},[],175242938,[75,76,77,78],"只有在DNA存在时,RNA聚合酶才能催化磷酸二酯键的形成","在转录过程中,RNA聚合酶需要一个引物","RNA链的延长方向是5'→3'","在大多数情况下,DNA中只有一条链作为模板","关于RNA的转录过程,下列叙述不正确的是()",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":31,"type":32},[],175242942,[84,85,86,87],"正(+)链","负(-)链","cDNA","重链","基因有两条链,与mRNA碱基序列相同(仅T代替了U)的链称为()",{"answer":90,"createTime":5,"id":91,"options":92,"question":98,"source":31,"type":32},[],175242946,[93,94,95,96,97],"转录是以半保留方式获得序列相同的两条DNA链的过程","依赖于DNA的DNA聚合酶是多亚基酶,负责DNA的转录","细菌的转录物(mRNA)是多基因的","σ因子指导真核生物hnRNA的转录后加工,最后形成mRNA","促旋酶在模板链产生缺口,决定转录的起始和终止","下列叙述中正确的是()",{"answer":100,"createTime":5,"id":101,"options":102,"question":108,"source":31,"type":32},[],175242949,[103,104,105,106,107],"σ因子、核心酶和双链DNA在启动子形成的复合物","全酶、TFI和解链DNA双链形成的复合物","全酶、模板DNA和新生RNA形成的复合物","三个全酶在转录起始位点形成的复合物","σ因子、核心酶和解旋酶形成的复合物","下面对三元转录复合物的描述中正确的是()",{"answer":110,"createTime":5,"id":111,"options":112,"question":117,"source":31,"type":32},[],175242952,[113,114,115,116],"mRNA的5'非转录区","mRNA的编码区","mRNA的3'非转录区","以上全是","可变剪接(选择性剪接)能增加转录产物,这些转录产物间的区别在于()"]