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核酸分子结构

遗传物质 -- 核酸. 核酸分子组成. 核酸分子结构. 核酸. 核苷酸. 磷酸. 核苷. 戊糖. 碱基. o. P. HO. OH. OH. 磷 酸. O. O. OH. CH 2 OH. OH. CH 2 OH. 5’. 4’. 1’. H. H. H. H. H. H. H. H. 3’. 2’. OH. OH. OH. H. 核糖. 脱氧核糖. 5’. 4’. 1’. 3’. 2’. NH 2. O. 6. N. N. 5. 1. N. N. 7. 8. 2. N.

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核酸分子结构

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  1. 遗传物质--核酸 核酸分子组成 核酸分子结构

  2. 核酸 核苷酸 磷酸 核苷 戊糖 碱基

  3. o P HO OH OH 磷 酸

  4. O O OH CH2OH OH CH2OH 5’ 4’ 1’ H H H H H H H H 3’ 2’ OH OH OH H 核糖 脱氧核糖 5’ 4’ 1’ 3’ 2’

  5. NH2 O 6 N N 5 1 N N 7 8 2 N NH 4 N H2N NH 9 3 嘌呤碱 腺嘌呤(A) 鸟嘌呤(G) 6 5 1 7 8 2 4 9 3

  6. 嘧啶碱 NH2 O O 4 4 3 3 HN HN CH3 N 5 5 2 2 6 6 NH NH NH O O O 1 1 胞嘧啶 尿嘧啶 胸腺嘧啶 4 5 3 2 6 1

  7. 核酸 核苷酸 磷酸 核苷 戊糖 碱基

  8. NH2 6 腺嘌呤(A) 5 1 N N 7 8 2 4 N N 9 3 O CH2OH 5’ 核糖 4’ 1’ H H H H 3’ 2’ OH OH 腺苷 H H H OH OH OH

  9. NH2 胞嘧啶 N 5’ N O 4 4’ H H 1’ O CH2OH OH OH 5 3 脱氧核糖 3’ 2’ H H 2 6 H H 1 OH H 脱氧胞苷

  10. NH2 6 腺苷 5 1 N N 7 8 2 4 O N N 9 3 O CH2O H H HO HO P OH 5’ 4’ 1’ OH H H H H 3’ 2’ OH OH 腺苷酸

  11. 脱氧核糖核酸(DNA) 核糖核酸(RNA) 磷酸 磷酸 脱氧核糖 核糖 A G C T A G C U dAMP dGMP dCMP dTMP AMP GMP CMP UMP DNA、RNA的差异

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