[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fv35xRl1Kosg942V0HLJa-xQgiA9RPtA5LGv0QmJVd78":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":32,"type":33},[],"2023-06-06 20:00:16",49797819,[8,9,10,11,12],"tRNA前体","hnRNA前体","rRNA前体","snRNA","hnRNA",{"count":14,"courseId":15,"courseImg":16,"courseName":17,"workId":18,"workName":19},45,"778f95f49584acac156a4beedc532363","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbed85c417655648574c35408641f7c45.jpg","生物化学与分子生物学学习指导","1686a4202209418b8ca9a8e49722168d","13_RNA 的生物合成","核酶参与加工RNA的前体是()",[22,34,44,54,64,71,81,84,94,104],{"answer":23,"createTime":5,"id":24,"options":25,"question":31,"source":32,"type":33},[],49797813,[26,27,28,29,30],"α","β","ρ","σ","β′","能识别原核生物转录起始点的亚基是()","v1",0,{"answer":35,"createTime":5,"id":36,"options":37,"question":43,"source":32,"type":33},[],49797814,[38,39,40,41,42],"ρ因子与RNA聚合酶结合使其停止移动","可由ρ因子参与完成终止","终止前产物RNA3′端富含C","ρ因子与RNA结合而终止转录","以上均不正确","有关转录终止的叙述错误的是()",{"answer":45,"createTime":5,"id":46,"options":47,"question":53,"source":32,"type":33},[],49797815,[48,49,50,51,52],"聚合酶均催化磷酸二酯键的形成","均以DNA分子为模板","新链合成都以碱基配对的原则进行","新链合成方向均为5′至3′","都以NTP为原料","复制与转录的不同点是()",{"answer":55,"createTime":5,"id":56,"options":57,"question":63,"source":32,"type":33},[],49797816,[58,59,60,61,62],"不被翻译的序列","不被转录的序列","编码序列","非编码的序列","以上都不是","外显子是指()",{"answer":65,"createTime":5,"id":66,"options":67,"question":70,"source":32,"type":33},[],49797817,[60,68,69,59,62],"非编码序列","被翻译的序列","内含子是指()",{"answer":72,"createTime":5,"id":73,"options":74,"question":80,"source":32,"type":33},[],49797818,[75,76,77,78,79],"都在细胞核内进行","与模板链的碱基配对均为A—T","合成起始都需要引物","原料都是NTP","合成的产物无需加工","有关转录和复制的叙述正确的是()",{"answer":82,"createTime":5,"id":6,"options":83,"question":20,"source":32,"type":33},[],[8,9,10,11,12],{"answer":85,"createTime":5,"id":86,"options":87,"question":93,"source":32,"type":33},[],49797820,[88,89,90,91,92],"DNA存在时,RNA聚合酶才有活性","转录起始不需要引物","RNA链合成方向由5′至3′","原料是NTP","以DNA双链为模板","有关RNA合成的描述错误的是()",{"answer":95,"createTime":5,"id":96,"options":97,"question":103,"source":32,"type":33},[],49797821,[98,99,100,101,102],"转录起始点上游有共同的序列5′TATA","转录起始点上游有共同的序列5′CAAT","5′端的TATA序列又叫TATA盒","5′端的TATAAT序列又叫Pribnow盒","5′端的GC序列又叫Hogness盒","对原核生物转录起始点描述正确的是()",{"answer":105,"createTime":5,"id":106,"options":107,"question":113,"source":32,"type":33},[],49797822,[108,109,110,111,112],"RNA聚合酶Ⅰ","RNA聚合酶Ⅱ","RNA聚合酶Ⅲ","RNA聚合酶","DNA聚合酶","对鹅膏蕈碱最敏感的是()"]