[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fhxdHgh7t2-AYHjCFk13_Ze9ptEhNR1Vh7a-ccZJmN18":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":17,"related":18,"source":29,"type":30},[],"2025-12-30 09:15:34",295042144,[8,9,10,11,12],"逆转录酶","肽酰转移酶","DNA聚合酶","引物酶","RNA聚合酶",{"courseId":14,"courseImg":15,"courseName":16},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","催化合成cDNA的酶是( )",[19,31,41,48,58,65,71,81,84,94],{"answer":20,"createTime":5,"id":21,"options":22,"question":28,"source":29,"type":30},[],295042137,[23,24,25,26,27],"切除引物或损伤DNA片段","催化DNA与dNTP缩合","催化引物与dNTP缩合","切除错配核苷酸","催化合成引物","DNA聚合酶催化的反应不包括( )","v1",0,{"answer":32,"createTime":5,"id":33,"options":34,"question":40,"source":29,"type":30},[],295042138,[35,36,37,38,39],"DNA 聚合酶Ⅱ","DNA聚合酶Ⅳ","DNA聚合酶Ⅰ","DNA聚合酶Ⅴ","DNA聚合酶Ⅲ","下列酶中,在DNA复制过程链的延伸上起主要作用的是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":47,"source":29,"type":30},[],295042139,[45,10,11,46,8],"DNA拓扑异构酶","DNA解旋酶","下列酶中,重组DNA技术常用的是( )",{"answer":49,"createTime":5,"id":50,"options":51,"question":57,"source":29,"type":30},[],295042140,[52,53,54,55,56],"DnaB蛋白","DnaA蛋白","单链DNA结合蛋白","DnaG蛋","DnaC蛋白","下列功能蛋白质中,能识别复制起点的功能蛋白是( )",{"answer":59,"createTime":5,"id":60,"options":61,"question":64,"source":29,"type":30},[],295042141,[11,46,62,63,45],"限制性内切酶","DNaseⅠ","DNA复制过程中DNA双链的解开靠( )",{"answer":66,"createTime":5,"id":67,"options":68,"question":70,"source":29,"type":30},[],295042142,[12,8,37,69,39],"DNA聚合酶Ⅱ","能以RNA为模板催化合成cDNA的是( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":80,"source":29,"type":30},[],295042143,[75,76,77,78,79],"在催化DNA合成开始进行时不需要引物","按5'→3'方向催化合成DNA","没有3'→5'外切酶活性,因此无校对功能","以mRNA为模板催化合成cDNA","有核糖核酸酶活性","关于逆转录酶的下列叙述,错误的是( )",{"answer":82,"createTime":5,"id":6,"options":83,"question":17,"source":29,"type":30},[],[8,9,10,11,12],{"answer":85,"createTime":5,"id":86,"options":87,"question":93,"source":29,"type":30},[],295042145,[88,89,90,91,92],"RNA→cDNA","DNA→DNA","RNA→DNA","DNA→RNA","RNA→蛋白质","下列选项符合复制的特点是( )",{"answer":95,"createTime":5,"id":96,"options":97,"question":103,"source":29,"type":30},[],295042146,[98,99,100,101,102],"以DNA为模板合成RNA","以DNA为模板合成DNA","以RNA为模板合成DNA","以RNA为模板合成RNA","以RNA为模板合成蛋白质","逆转录是指( )"]