[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fl3gdhb8LuO0_oyI7n4FqwYfGqywghiABkI5m-SqbA6E":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",160103505,[8,9,10,11,12],"三叶草结构","hnRNA","双螺旋结构","倒L形","α-螺旋",{"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","tRNA的二级结构是",[22,34,43,48,57,68,78,88,98,108],{"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":42,"source":32,"type":33},[],160103489,[38,39,9,40,41],"rRNA","snmRNA","mRNA","tRNA","蛋白质合成的模板",{"answer":44,"createTime":5,"id":45,"options":46,"question":47,"source":32,"type":33},[],160103491,[39,9,41,40,38],"参与转运氨基酸",{"answer":49,"createTime":5,"id":50,"options":51,"question":56,"source":32,"type":33},[],160103493,[52,53,54,55],"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":58,"createTime":59,"id":60,"options":61,"question":67,"source":32,"type":33},[],"2024-10-06 22:31:43",160103495,[62,63,64,65,66],"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":69,"createTime":5,"id":70,"options":71,"question":77,"source":32,"type":33},[],160103497,[72,73,74,75,76],"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":79,"createTime":5,"id":80,"options":81,"question":87,"source":32,"type":33},[],160103499,[82,83,84,85,86],"240nm","260nm","280nm","200nm","220nm","核酸的最大紫外光吸收值一般在",{"answer":89,"createTime":5,"id":90,"options":91,"question":97,"source":32,"type":33},[],160103501,[92,93,94,95,96],"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":99,"createTime":5,"id":100,"options":101,"question":107,"source":32,"type":33},[],160103503,[102,103,104,105,106],"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":109,"createTime":5,"id":6,"options":110,"question":20,"source":32,"type":33},[],[8,9,10,11,12]]