[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f83nljggA51U2CXFGhawZuTcN3-yMQ2LO9QKRF5EZ9aE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":13,"question":20,"related":21,"source":32,"type":33},[],"2024-10-07 13:19:23",160103499,[8,9,10,11,12],"240nm","260nm","280nm","200nm","220nm",{"count":14,"courseId":15,"courseImg":16,"courseName":17,"workId":18,"workName":19},26,"a670f8d6fd8a765088d5c22357ce3440","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8f6d1861c2d7225ca42808692d75026e.jpg","2023级临床等专业《生物化学与分子生物学》","work_37082786","第2章 核酸的结构与功能","核酸的最大紫外光吸收值一般在",[22,34,44,49,58,69,79,82,92,102],{"answer":23,"createTime":5,"id":24,"options":25,"question":31,"source":32,"type":33},[],160103487,[26,27,28,29,30],"A、U、G 4种核苷酸通过3′ ,5′-磷酸二酯键连接而成","多核苷酸中脱氧核苷酸的排列顺序","DNA的双螺旋结构","核糖与含氮碱基的连接键性质","各核苷酸中核苷与磷酸的连接键性质","DNA的一级结构是","v1",0,{"answer":35,"createTime":5,"id":36,"options":37,"question":43,"source":32,"type":33},[],160103489,[38,39,40,41,42],"rRNA","snmRNA","hnRNA","mRNA","tRNA","蛋白质合成的模板",{"answer":45,"createTime":5,"id":46,"options":47,"question":48,"source":32,"type":33},[],160103491,[39,40,42,41,38],"参与转运氨基酸",{"answer":50,"createTime":5,"id":51,"options":52,"question":57,"source":32,"type":33},[],160103493,[53,54,55,56],"碱基对可形成共价键连接","A260下降","在一个相当窄的温度范围内完成","可见减色效应","关于DNA热变性的描述正确的是",{"answer":59,"createTime":60,"id":61,"options":62,"question":68,"source":32,"type":33},[],"2024-10-06 22:31:43",160103495,[63,64,65,66,67],"原核生物的mRNA在5′末端是m 7GpppN-","所有生物的mRNA分子中都含有稀有碱基","只有原核生物的mRNA在3′末端有多聚腺苷酸结构","大多数真核生物的mRNA在5′末端是m 7GpppN-","大多数真核生物的mRNA在5′末端是多聚腺苷酸结构","关于mRNA叙述正确的是",{"answer":70,"createTime":5,"id":71,"options":72,"question":78,"source":32,"type":33},[],160103497,[73,74,75,76,77],"反密码环","额外环","DHU环","TψC环","-CCA 3'末端","决定tRNA携带氨基酸特异性的关键部位是",{"answer":80,"createTime":5,"id":6,"options":81,"question":20,"source":32,"type":33},[],[8,9,10,11,12],{"answer":83,"createTime":5,"id":84,"options":85,"question":91,"source":32,"type":33},[],160103501,[86,87,88,89,90],"A 260达到最大值50%时所对应的温度","△A 260达到最大变化值50%时所对应的温度","△A 260达到最大变化值时所对应的温度","DNA完全解链时所需的温度","DNA开始解链时所需的温度","DNA的解链温度是",{"answer":93,"createTime":5,"id":94,"options":95,"question":101,"source":32,"type":33},[],160103503,[96,97,98,99,100],"dATP、dCTP、dGTP、dUTP","ATP、CTP、GTP、UTP","dAMP、dCMP、dGMP、dTMP","ATP、CTP、GTP、TTP","dATP、dCTP、 dGTP、dTTP","DNA的核酸组成是",{"answer":103,"createTime":5,"id":104,"options":105,"question":110,"source":32,"type":33},[],160103505,[106,40,107,108,109],"三叶草结构","双螺旋结构","倒L形","α-螺旋","tRNA的二级结构是"]