dna氢键
![dna中的氢键](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7339759CD5546181C4759707EDDF7AA49D3D6E76B7660722E9BE637DF37601D38E5016FA57BB4A29EF36CE88F36432B150C9067F86DCB4459F067C25B3BC8A3535605113994F2A1D05940785E4FE64FDAB)
dna中的氢键
图片尺寸300x300![三分钟了解氢键与生命](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7361050690813F0192B090D33293958AADF314CE5C2D06A1CC45296072B448F862DE409A99B05B141EE0A34D7F7D91A41182398D557B12EE26EA5F86CF73E5BBEB33963BC9091DC53C39E69734E0D6EDC4)
三分钟了解氢键与生命
图片尺寸604x793![dna氢键.png](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9A0D6BE108A72EEDE4FCCE6D1682CE6D2FD7ADE5A37A8F34A98CFDDD68C5550555E47F0167B9E5E77283B7379E579802B3F46C54213BFAB9451EA66624A13DF8D7B8CD752AB3748157714DFF4D6C5DDED)
dna氢键.png
图片尺寸750x392![a t 氢键 t a g c c g 平面结构 立体结构](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9EBF6FDB613E4FA9863D13B9ACE612BC65CA5F2722ACFA37FFCEB51FDE3E5DA8C25090119B8888A7B3E1E168A5C5BAD066E37DAE4BC145216F21C3AFF96305913A0D74369509DEA8D03AF0F23E41E0395)
a t 氢键 t a g c c g 平面结构 立体结构
图片尺寸1080x810![(b) b-dna双螺旋结构模型; (c) 通过氢键相连的dna碱基互补配对惺式](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73239D7057F3D9A91F7ABAC7FFCD42C9E9A2FFD595529A4DF2BD6F011DA10909BFA27FF7D54DA5CC9F2195AF0FCDFFA974961AA1BEC43A04537E29A28CF1130D5D0DEA08E4342EB87702D00CBB2DBA8C21)
(b) b-dna双螺旋结构模型; (c) 通过氢键相连的dna碱基互补配对惺式
图片尺寸4016x1808![配对的碱基之间以氢键相连,a与t之间形成2个氢键,c与g形成3个氢键 3.](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83A140F5FAA780373D1C25A2556F38B7D24C0C2EA2303DF268665121DC88057E6B8081C4511D7A94F07CE88F989F9657C184E7105CEEFE07E8B6D5B9FF068F248E657AC257CAB8578E3BF91F3E1FD619CF)
配对的碱基之间以氢键相连,a与t之间形成2个氢键,c与g形成3个氢键 3.
图片尺寸545x334![主要是碱基堆积力,氢键,范德华力的协同作用,最重要的还是碱基堆积力](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83EDFD702D673956B3B21E930BF8BAACD8FE0920A9E619156BA9E7DE37E85D838D673C7B57A6706AE21A99E4C8AAF7A00C401DE666E3BCAB2A93248DC0264C5BDEB6B31992721FAFBB9C8E9F955DBB9A0F)
主要是碱基堆积力,氢键,范德华力的协同作用,最重要的还是碱基堆积力
图片尺寸641x697![氢键的形成示意图(精)](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A732BBF809514CFFA5DA4DA0DF90451B458BE3BFFDF0A775ED02BC27B2141F2A539A666EF34FEE0FFE1717C2A16AC82BF19883258E72D661CF54EACAA6FD4AD0B196395AB04FB79B551DE541CFA89DE6CC6)
氢键的形成示意图(精)
图片尺寸1080x810![2020新冠肺炎在高考化学中考点分析2](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9BEE4A6A91FD17E95F21279B7FD8B224411F2AF2CCA0FD94E71FCEB6E897AF540201B3C6A61CA09BDD117E6DF32AD6234409BC18068BDB1248F21DD6C15FEB3495B02511F601D692C927A071398010830)
2020新冠肺炎在高考化学中考点分析2
图片尺寸600x450![dna双螺旋台阶,这两个分子通过氢键紧密地连接在一起,二者的比例在人](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E90B98E85C3BE5BCADD6D99C263033616A38CBC8B092A6F6A39F4F7B7F2951F7F9B06ACEC492926384A97E0032F7CC082934C057FCA10540EB5DBB7B465DD2D800D5104B22BFB4A50874FB50FF16E8CF19)
dna双螺旋台阶,这两个分子通过氢键紧密地连接在一起,二者的比例在人
图片尺寸1000x1000![氢键](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83ACB642D9866429592E04B5BE8F8C970A0BCD8A2A9235CF1C1F83EC2CE9E432466BC070E58D8CEE32B7A2DED7D578DE442F7AC7A6D48023FF95E2639B322216BF6C3ADE9E66891CFE88D05991C503D7FA)
氢键
图片尺寸364x401![折而形成许多短的双股螺旋区,在这些区域内a与u,g与c分别配对形成氢键](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9E8219973B43B2EAAC188CE6EF66884E62B9305CCD3DD230A0832875B13639321ACCB5075ED46CBB2B26BEAFCE33959995A00D82EF5CBC774CC7A5265320526BCD2C87D4805B8C5404DE9A8A5DDF4EEA0)
折而形成许多短的双股螺旋区,在这些区域内a与u,g与c分别配对形成氢键
图片尺寸1346x1037![核苷酸链,通过碱基上-nh 2的氢与另一链上碱基的氧或氮形成氢键而结合](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E831E17A91E5C716437766A44E60E65876BDD86576B892930C30EA56D0F88B76B6E271DB8298D86C17E3EF8DF9D5801AE73307ADD3B21C5CEAA027367EE56CBCF999F2AA28DB11B8A835131BBB9B237297A)
核苷酸链,通过碱基上-nh 2的氢与另一链上碱基的氧或氮形成氢键而结合
图片尺寸1287x1677![氢键全方位详细介绍](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7342EB56EA369082F090594CD351FFC13578FF967AA23C7DAD7952728732E78D95B97AE772056DBC45003E5837B416C04AF8E462E74A5F76255DDB1F85FD5379C5DEED6868386906FF55B5723EEFB4BB4E)
氢键全方位详细介绍
图片尺寸641x208![两碱基之间形成两个氢键;a一定与t配对,g一定与c配对,两碱基之间](https://imgs.wantubizhi.com/img/A1A61BAA66193547F3A6DD7D8EE527E9454C2A0886C0DBE8C90E46694A3344CB2E847FCAE73CEFBEF36CC5ACF191A14E9C22BB9B4BFA3EA5C810AD8A7352211CD82A8DD8E12C1A7BF099F506EBC1AA570274F8B8BF1D6CE1493B2CD42C21C2B4)
两碱基之间形成两个氢键;a一定与t配对,g一定与c配对,两碱基之间
图片尺寸1072x616![共价键 氢键 嘌呤---嘧啶 为什么dna结构上具有稳定性?](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73A7E29ED3E4EA5354F108CA89A7E2B8C6AC6519349622A598877A337B2E4C54F4152C42AE34D6CA4F5C480F6313C7ED28A0C8205C11DAA18D6FA37976D629B95EADA748C1E5D3026C9032C28032C2EA2B)
共价键 氢键 嘌呤---嘧啶 为什么dna结构上具有稳定性?
图片尺寸1080x810![dna双螺旋结构,两条链之间靠氢键实现碱基配对,双螺旋dna是有沟的.](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73A636F39FBD62B7B9D7FADFC2FF8D6CAE4B78A41A0E8697A4A9C1B005437CE1F63680532944EEBEDC5F75684BCA53C0B1EA804D8BDFF9755490105F99EB7F62B52EDE962E481F98398A61C84CA794E234)
dna双螺旋结构,两条链之间靠氢键实现碱基配对,双螺旋dna是有沟的.
图片尺寸551x196![a-t,g-c间的氢键形成](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A7395AE86FCF0F1D2D8EB5BBEBC9C85F51F2DE40CDC3BD8BB8DDB44F7BC4EA862393E3DB079100CC67F66752102DC028A24656BBE4C79862B768B7F14FE3C6720E705A926CF50CEC8AE471AD6CFFC9A1B07)
a-t,g-c间的氢键形成
图片尺寸368x393![dna的结构和复制,基因的本质](https://imgs.wantubizhi.com/img/735A5D1F980B52A636CC46F12F2D1A73D4B6D51F88DE8847D540226199BB8D7835C37794C3B1AAC40518EC5FB994CD31BC21F4B91F4E0E856ED87D581AB4D5F08CB3A97724097F21A9BB389D8CBACEE669CB41E32F22599DC902854741C2E3D1)
dna的结构和复制,基因的本质
图片尺寸988x885![氢键的形成-氢键的形成,氢键,形成](https://imgs.wantubizhi.com/img/ADDA3C5D760C6828B77B505A29D43E83C2AFE427990C9E2925DC4D956235DA638A156EF0286A98AC5B22B975DB024A7F4D6D4B81CC481980C8A79EEF023BBD66742EBA843962D611B7A185744D449390DC30BC46474C8B46E6049F3079C08495)
氢键的形成-氢键的形成,氢键,形成
图片尺寸544x359