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📄 第五章.htm

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<h1 align=center style='text-align:center'><span style='font-family:隶书;
color:#EFCE8F'>第五章</span><span lang=EN-US style='font-size:36.0pt;mso-ascii-font-family:
隶书;mso-fareast-font-family:隶书;color:#EFCE8F'>&nbsp;</span><span
style='font-family:隶书;color:#EFCE8F'>基因组信息分析</span><span lang=EN-US><o:p></o:p></span></h1>

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<p><span lang=EN-US><SELECT NAME="str_sel"
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<OPTION SELECTED>========= 选择章节 ==========
<OPTION VALUE="5.1.htm">5.1 关于遗传语言
<OPTION VALUE="5.2.htm">5.2 原核基因组特点
<OPTION VALUE="5.3.htm">5.3 真核基因组特点
<OPTION VALUE="5.4.htm">5.4 基因组序列分析
<OPTION VALUE="5.5.htm">5.5 基因识别方法
<OPTION VALUE="5.6.htm">5.6 非编码区域分析和调控元件识别
<OPTION VALUE="5.question.htm">问题与练习
<OPTION VALUE="5.referance.htm">参考文献
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<p style='line-height:150%'><span lang=EN-US style='font-size:10.0pt;
font-family:"Times New Roman"'>&nbsp;&nbsp;&nbsp; </span><span
style='font-size:10.0pt;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>人类基因组计划的主要成果是得到一本“天书”，这本天书既简单又复杂。说它简单，是因为这本天书仅仅由</span><span
lang=EN-US style='font-size:10.0pt'>4</span><span style='font-size:10.0pt;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"'>个字母构成，这</span><span
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lang=EN-US><o:p></o:p></span></p>

<h2 align=center style='text-align:center'><!--mstheme--><span lang=EN-US
style='font-family:隶书;color:#EFCE8F'>5.1 关于遗传语言 </span><span lang=EN-US><o:p></o:p></span></h2>

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<h3><!--mstheme--><span lang=EN-US style='font-size:12.0pt;color:#EFCE8F'>5.1.1
基因组DNA的奥秘</span><span lang=EN-US><o:p></o:p></span></h3>

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<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;
text-indent:20.0pt;mso-char-indent-count:2.0;mso-char-indent-size:10.0pt;
line-height:150%;mso-char-indent-size:10.5pt'><span style='font-size:10.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>生命是大自然最伟大的创造物，经过亿万年的进化，生命的形式从简单的有机物发展到现在高度复杂但有序的生物系统。蛋白质是构造生命机器的基本元件，大量结构不同、功能各异的蛋白质在遗传信息的控制之下，被不断地合成出来，并有机地组成复杂的生物体。遗传信息存贮在基因组中，具体说就是存贮在由</span><span
lang=EN-US style='font-size:10.0pt'>4</span><span style='font-size:10.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>种字符组成的核酸序列中。随着分子生物学中心法则的确立，人们逐渐认识到，遗传信息的载体主要是</span><span
lang=EN-US style='font-size:10.0pt'>DNA</span><span style='font-size:10.0pt;
font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"'>（在少数情况下</span><span lang=EN-US style='font-size:10.0pt'>RNA</span><span
style='font-size:10.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
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font-family:宋体;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
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style='font-size:10.0pt;font-family:宋体;mso-ascii-font-family:"Times New Roman";
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