[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fE25vuUWJXYlQei-m1uLZP_QIJsbVW4WW0A-9z-E8A7U":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2023-08-26 18:29:44",95873002,[8,9,10,11],"丝氨酸","苏氨酸","酪氨酸","谷氨酸",{"courseId":13,"courseImg":14,"courseName":15},"b9c7b8741018476a615317db9b8d2b69","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe064ed320f733f09002a5a5e067884bf.jpg","生物化学","含有两个羧基的氨基酸是",[18,29,38,46,55,58,67,75,84,90],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],95872998,[22,23,24,25],"含大量的碳","含氮量约16%","含大量的硫","含大量的铜","蛋白质分子的元素组成特点是","v1",0,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],95872999,[33,34,35,36],"15g\u002FL","20g\u002FL","31g\u002FL","45g\u002FL","一血清标本的含氮量为5g\u002FL,则该标本的蛋白质浓度是",{"answer":39,"createTime":5,"id":40,"options":41,"question":45,"source":27,"type":28},[],95873000,[42,43,44,11],"亮氨酸","赖氨酸","甘氨酸","下列哪种氨基酸是碱性氨基酸",{"answer":47,"createTime":5,"id":48,"options":49,"question":54,"source":27,"type":28},[],95873001,[50,51,52,53],"天冬氨酸","丙氨酸","脯氨酸","精氨酸","下列哪种氨基酸是酸性氨基酸",{"answer":56,"createTime":5,"id":6,"options":57,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":59,"createTime":5,"id":60,"options":61,"question":66,"source":27,"type":28},[],95873003,[62,63,64,65],"8种","15种","20种","25种","构成蛋白质的标准氨基酸多少种",{"answer":68,"createTime":5,"id":69,"options":70,"question":74,"source":27,"type":28},[],95873004,[71,72,8,73],"瓜氨酸","蛋氨酸","半胱氨酸","天然蛋白质中不存在的氨基酸是",{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":27,"type":28},[],95873005,[79,80,81,82],"正离子","负离子","兼性离子","疏水分子","中性条件下大部分氨基酸以什么形式存在",{"answer":85,"createTime":5,"id":86,"options":87,"question":89,"source":27,"type":28},[],95873006,[88,42,11,43],"色氨酸","在pH=7.0时,哪种氨基酸带正电荷",{"answer":91,"createTime":5,"id":92,"options":93,"question":98,"source":27,"type":28},[],95873007,[94,95,96,97],"除甘氨酸外的氨基酸的&alpha;-碳原子均非手性碳原子","除甘氨酸、脯氨酸外,均为L-&alpha;氨基酸","只含&alpha;-羧基和&alpha;-氨基","均为极性侧链","关于构成天然蛋白质的氨基酸,叙述正确的是"]