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黏性末端是指哪一部分
更新时间: 2020-11-12 00:00:00  

黏性末端是被限制酶切开的DNA两条单链的切口,带有几个伸出的核苷酸,它们之间正好互补配对,这样的切口叫黏性末端。

当限制酶在它识别序列的中心轴线两侧将DNA的两条链分别切开时,产生的就是黏性末端,而当限制酶在它识别序列的中心轴线处切开时,产生的则是平末端。

关键词: 黏性 末端 一部分

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