[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f-sG0VjQWWLU2be0_41xlpMaAp9ocS2F1Bv5FzBPgmDo":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":19,"related":20,"source":30,"type":48},[],"2023-05-10 14:13:03",78146133,[8,9,10,11,12],"只需要把基因导入干细胞","第一代动物是嵌合体,便于下一步操作","可以通过筛选细胞提高转基因效率","特别适合于大动物的转基因动物制备","不受细胞代次影响",{"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},"1000007091","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffde632faff6bcee5a2fbc9fb9f0ddfa2.jpg","转基因的科学——基因工程","21856519","转基因的科学——基因工程教程考试","干细胞法的优点包括:( )",[21,32,40,45,49,58,67,72,83,92],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],78146075,[25,26,27,28],"阻止靶基因的转录","阻止靶基因的翻译","使靶基因mRNA降解","使靶基因蛋白质降解","RNA干扰抑制靶基因表达的机制是()","v2",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":38,"source":30,"type":39},[],78146126,[36,37],"对","错","Western blotting可以检测出目的蛋白的大小和表达量高低",3,{"answer":41,"createTime":5,"id":42,"options":43,"question":44,"source":30,"type":39},[],78146127,[36,37],"T7启动子之所以在大肠杆菌应用非常广泛,是因为它来源于大肠杆菌",{"answer":46,"createTime":5,"id":6,"options":47,"question":19,"source":30,"type":48},[],[8,9,10,11,12],1,{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":30,"type":31},[],78146135,[53,54,55,56],"UAS","FRT","LTR","LoxP","在条件性基因敲除中,Cre重组酶识别的位点是()",{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":30,"type":31},[],78146153,[62,63,64,65],"来源受限","存在伦理学问题","具备全能性","存在排异反应","胚胎干细胞的优点是( )",{"answer":68,"createTime":5,"id":69,"options":70,"question":71,"source":30,"type":39},[],78146179,[36,37],"不能定点整合基因是显微注射法的缺陷之一",{"answer":73,"createTime":5,"id":74,"options":75,"question":82,"source":30,"type":48},[],78146181,[76,77,78,79,80,81],"DNA转移率高","导入过程直观","无机械损伤","能够定点插入基因","无化学毒性","设备低廉","显微注射法的优点包括:( )",{"answer":84,"createTime":5,"id":85,"options":86,"question":91,"source":30,"type":31},[],78146197,[87,88,89,90],"切、转、接、增、检","切、增、检、转、接","切、接、转、增、检","切、接、检、增、产","基因工程的完整流程包括5个环节,这5个环节是",{"answer":93,"createTime":5,"id":94,"options":95,"question":100,"source":30,"type":31},[],78146206,[96,97,98,99],"5'-3'聚合酶活性","5'-3'外切酶活性","3'-5'外切酶活性","3'-5'聚合酶活性","PCR反应中Taq酶常常没有错配碱基纠错功能,因为它没有"]