[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fT3cNaye0yus6qx8bekm34z2SbMNbfxYgsjZFP1Hi57g":3},{"id":4,"source":5,"question":6,"options":7,"answer":13,"related":14,"type":26,"origin":125,"createTime":86},196960934,"v1","全酶在RNA转录过程中的功能是",[8,9,10,11,12],"结合阻遏物使启动基因开放","参与转录延长过程","参与转录的起始过程","参与转录的终止过程","参与转录的后加工修饰",[],[15,29,40,52,64,75,87,98,102,114],{"id":16,"source":5,"question":17,"options":18,"answer":24,"related":25,"type":26,"origin":27,"createTime":28},196960869,"不对称转录是指",[19,20,21,22,23],"模板链始终在一条单链上","DNA链上一段转录mRNA,另一段转录tRNA","同一mRNA可由两段DNA转录而来","两条DNA链均可为模板链,不同基因的模板链不一定在同一条DNA链上","DNA单链两端同时转录",[],[],0,null,"2025-06-09T15:58:27+08:00",{"id":30,"source":5,"question":31,"options":32,"answer":38,"related":39,"type":26,"origin":27,"createTime":28},196960889,"利福霉素抗结核杆菌的原因是",[33,34,35,36,37],"与σ亚基结合,抑制RNA聚合酶与模板的结合","与β亚基结合,阻碍磷酸二酯键的形成","使RNA聚合酶解聚","使启动子构象改变","以上都不是",[],[],{"id":41,"source":5,"question":42,"options":43,"answer":49,"related":50,"type":26,"origin":27,"createTime":51},196960899,"转录与复制有许多相似之处,但不包括",[44,45,46,47,48],"均需依赖DNA为模板的聚合酶","以DNA单链为模板","遵守碱基配对原则","有特定的起始点","以RNA为引物",[],[],"2025-06-09T15:58:28+08:00",{"id":53,"source":5,"question":54,"options":55,"answer":61,"related":62,"type":26,"origin":27,"createTime":63},196960910,"关于原核生物转录延长阶段,叙述不正确的是 ( )",[56,57,58,59,60],"RNA聚合酶全酶催化此过程","RNA聚合酶与模板结合松弛","转录过程未终止时,即开始翻译","σ因子从转录起始复合物上脱落","RNA聚合酶与模板的结合无特异性",[],[],"2025-06-09T15:58:29+08:00",{"id":65,"source":5,"question":66,"options":67,"answer":73,"related":74,"type":26,"origin":27,"createTime":63},196960916,"在电镜下观察到转录过程的羽毛状图形说明 ( )",[68,69,70,71,72],"DNA双链打开成单链","复制与转录同时进行","转录与翻译同时进行","转录过程中形成复制叉","多聚核糖体结合在DNA模板上",[],[],{"id":76,"source":5,"question":77,"options":78,"answer":84,"related":85,"type":26,"origin":27,"createTime":86},196960925,"在高浓度鹅膏蕈碱存在的情况下,合成不受影响的RNA是 ( )",[79,80,81,82,83],"tRNA","5S rRNA","28S rRNA","mRNA","SnRNA",[],[],"2025-06-09T15:58:30+08:00",{"id":88,"source":5,"question":89,"options":90,"answer":96,"related":97,"type":26,"origin":27,"createTime":86},196960931,"识别转录起始点的是",[91,92,93,94,95],"ρ因子","核心酶","RNA聚合酶的σ亚基","RNA聚合酶的α亚基","RNA聚合酶的β亚基",[],[],{"id":4,"source":5,"question":6,"options":99,"answer":100,"related":101,"type":26,"origin":27,"createTime":86},[8,9,10,11,12],[],[],{"id":103,"source":5,"question":104,"options":105,"answer":111,"related":112,"type":26,"origin":27,"createTime":113},196960941,"下列关于RNA聚合酶和DNA聚合酶的叙述哪个是正确的",[106,107,108,109,110],"RNA聚合酶利用二磷酸核苷酸为原料合成多核苷酸链","RNA聚合酶需要引物","RNA聚合酶和DNA聚合酶都能在增长着的多核苷酸链3'-OH端添加核苷酸","DNA聚合酶只能以RNA为模板合成DNA","DNA聚合酶不需要引物",[],[],"2025-06-09T15:58:32+08:00",{"id":115,"source":5,"question":116,"options":117,"answer":123,"related":124,"type":26,"origin":27,"createTime":113},196960951,"原核基因启动子的一致性序列, 又称Pribnow Box的是",[118,119,120,121,122],"-AATAAA-","-TATAAT-","-TATA-","AAA---AAA-(polyA)","-TTGACA-",[],[],{"courseName":126,"courseImg":127,"workName":128,"workId":129,"count":130,"courseId":131},"生物化学与分子生物学","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F987ea14a00de358d85ec0c034313bf4f.jpg","第十二章 RNA的合成(56学时2025)","work_43942287",28,"4e6968212cc1f2523ad68edae9527404"]