[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fWdP-n5T5f0vZBnk3mIah_iCSFW-FuJcdoA9AJUKCpqI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":89},[],"2026-05-07 20:13:36",361336333,[8,9,10,11],"可以和诱导物结合使其失活","可以和阻遏蛋白结合使其活化","可以同诱导物结合使其活化","可以和阻遏蛋白结合使其失活",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_53004298","第六章原核基因表达调控自测题","辅诱导物",[21,32,41,50,59,68,77,86,90,99],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],361336320,[25,26,27,28],"某些基因表达产物不是蛋白质分子","基因表达具有组织特异性","基因表达具有阶段特异性","基因表达都要经历转录及翻译","下列关于"基因表达"概念叙述,错误的是","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],361336321,[36,37,38,39],"多种核心酶和多种σ因子","多种核心酶和一种σ因子","一种核心酶和多种σ因子","一种核心酶和一种σ因子","原核细胞的RNA聚合酶有",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],361336323,[45,46,47,48],"诱导物","阻遏物","辅阻遏物","安慰诱导物","异丙基-β-D-硫代半乳糖苷(IPTG)是乳糖操纵子的",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],361336326,[54,55,56,57],"生长","清除含有相同和相似序列的病毒","繁殖","抵御一切病毒","成簇有规律间隔短回文重复序列(CRISPR)可以促进细菌",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],361336328,[63,64,65,66],"固氮基因调控体系是一个级联调控体系","nifL和nifA 基因位于不同的操纵子上","在有氧环境下,NifL 可以结合 NifA,激活nif 基因转录","细胞中氨的浓度不会影响固氮基因的表达","下列关于固氮基因调控体系说法正确的是",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],361336329,[72,73,74,75],"CsrA 是一个 RNA 结合蛋白","CsrB是一个编码的 RNA 分子","CsrA可以与 CsrB 的 RNA 分子相结合","CsrA 蛋白可激活糖酵解过程","关于大肠杆菌CsrAB 调节系统,下列说法不正确的是",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],361336332,[81,82,83,84],"mRNA分解","转录速度下降","翻译速度下降","转录和翻译均终止","若维生素B12合成酶的mRNA与维生素B12结合形成核开关,可以维生素B12合成酶基因的",{"answer":87,"createTime":5,"id":6,"options":88,"question":19,"source":30,"type":89},[],[8,9,10,11],1,{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":30,"type":89},[],361336335,[94,95,96,97],"cAMP水平增高","cAMP水平降低","乳糖操纵子的表达水平增高","乳糖操纵子的表达水平降低","当培养基中含有大量葡萄糖时,正确的说法是",{"answer":100,"createTime":5,"id":101,"options":102,"question":107,"source":30,"type":89},[],361336336,[103,104,105,106],"山梨醇","阿拉伯糖","乳糖","麦芽糖","下列糖代谢中有关酶的调节,哪些属于降解物敏感型操纵子"]