原核

<div style=" language: zh-CN; line-height: 150%; margin-top: 0pt; margin-bottom: 0pt; text-align: left; direction: ltr; unicode-bidi: embed; vertical-align: baseline; mso-line-break-override: none; punctuation-wrap: hanging;">p<span style=" font-size: 20.0pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: zh-CN; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;">在原核细胞中，通常是几种不同的<span style=" font-size: 20.0pt; font-family: Arial; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: en-US; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;">mRNA<span style=" font-size: 20.0pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: zh-CN; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;">连在一起，相互之间由一段短的不编码蛋白质的间隔序列所隔开，这种<span style=" font-size: 20.0pt; font-family: Arial; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: en-US; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;">mRNA<span style=" font-size: 20.0pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: zh-CN; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;">叫做<span style=" font-size: 20.0pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: red; mso-font-kerning: 12.0pt; language: zh-CN; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-color: red; mso-style-textfill-fill-alpha: 100.0%;">多顺反子<span style=" font-size: 20.0pt; font-family: Arial; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: red; mso-font-kerning: 12.0pt; language: en-US; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-color: red; mso-style-textfill-fill-alpha: 100.0%;">mRNA<span style=" font-size: 20.0pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: zh-CN; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;">。这样的一条<span style=" font-size: 20.0pt; font-family: Arial; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: en-US; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;">mRNA<span style=" font-size: 20.0pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: zh-CN; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;">链含<span style=" font-size: 20.0pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: red; mso-font-kerning: 12.0pt; language: zh-CN; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-color: red; mso-style-textfill-fill-alpha: 100.0%;">编码多个多肽链<span style=" font-size: 20.0pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: zh-CN; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;">。这些多肽链对应的<span style=" font-size: 20.0pt; font-family: Arial; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: en-US; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;">DNA<span style=" font-size: 20.0pt; font-family: 宋体; mso-ascii-font-family: Arial; mso-fareast-font-family: 宋体; mso-bidi-font-family: +mn-cs; mso-bidi-theme-font: minor-bidi; color: black; mso-color-index: 1; mso-font-kerning: 12.0pt; language: zh-CN; font-weight: bold; mso-style-textfill-type: solid; mso-style-textfill-fill-themecolor: text1; mso-style-textfill-fill-color: black; mso-style-textfill-fill-alpha: 100.0%;">片断则位于同一转录单位内，享用同一对起点和终点。</div>