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12．如图为核苷酸结构相关的叙述不正确的是 A．图中a为磷酸b为五碳糖b．dna中的b为脱氧核糖c．人体细胞内c共有5钟d．噬菌体内b Template






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sketch 3662 Angel by Alexander Volodimirovich Danilchenko
sketch 4734 Timon by Anh Vu
sketch 2959 manga girl blue hair
sketch 4632
sketch 4269 dragón
sketch 2278 flower
sketch 84
sketch 3701 amazing Skull

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sketch 944
sketch 3505 Django
sketch 894 hmmm
sketch 2939 Eye by Kimmy Kitty Perry Priemus
sketch 2072
sketch 3699 Dragon by Ana Cecilia
sketch 4896
sketch 2486 Face by sketchmaster





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tomski12．如图为核苷酸结构相关的叙述不正确的是 a．图中a为磷酸b为五碳糖b．dna中的b为脱氧核糖c．人体细胞内c共有5钟d．噬菌体内b coloring
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核苷酸的分子结构简图 千图 sketch template
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表15－1 核苷酸及相应的核苷、碱基名称中英文对照表 sketch template
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如图A所示的分子结构式为某种核苷酸已知分子结构式的左上角基团为碱基 腺嘌图B是某核苷酸链示意图据图回答问题1图A中核苷酸的生物 sketch template
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DNA分子的结构 高中生物知识点总结 师梦圆 sketch template
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下图表示两个脱氧核苷酸分子在DNA聚合酶的作用下脱水形成磷酸二酯键的聚合过程若由脱氧核苷酸分子聚合形成的小分子DNA共有500个碱基对则其 sketch template
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如图为某种核苷酸示意图据图回答问题1已知图1的右上角部分为腺嘌请仔细观察分析后回答下列问题Ⅰ该核苷酸的生物学名称为腺嘌核糖 sketch template
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11． 如图为脱氧核苷酸链局部结构图，请据图完成下列问题： （1）能构成一个完整核苷酸的是b（从a，b中选）．中文名称是胞嘧啶脱氧核苷酸 sketch template
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DNA分子的基本骨架是。 A．磷酸和脱氧核糖交互连接的长链 B．碱基对 C．磷酸 D．脱氧核糖——青夏教育精英家教—— sketch template
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如图表示两个脱氧核苷酸分子在DNA聚合酶作用下的聚合过程．若由脱氧核苷酸分子聚合形成的小分子DNA共有500个碱基对则其缩合过程中形成的磷酸 sketch template
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在下列表示腺嘌脱氧核苷酸结构的简图中正确的是 题目和参考答案——青夏教育精英家教—— sketch template
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12．如图为核苷酸结构相关的叙述不正确的是 A．图中a为磷酸b为五碳糖B．DNA中的b为脱氧核糖C．人体细胞内c共有5钟D．噬菌体内b sketch template
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14． 如图为核苷酸分子的结构示意图，请据图完成下列问题： （1）写出图中字母表示的结构名称：磷酸；五碳糖；含氮碱基； （2）在DNA和 sketch template