答“问题”同学的提问

发表时间: 2007/3/26 16:56:51 作者: 易乐飞 阅读:5774 回复:7 编辑  删除
    RNase H endonucleolytically cleaves RNA in RNA-DNA hybrid molecules. This activity is present in almost all organisms, from viruses and bacterium to humans.
    In mammalian systems (where the DNA polymerase does not have a 5′-3′ exonuclease activity), first RNAase HI (an enzyme that is specific for a DNA-RNA hybrid substrate) makes an endonucleolytic cleavage; then a 5′-3′ exonuclease called FEN1 removes the RNA. Once the RNA has been removed and replaced, the adjacent Okazaki fragments must be linked together.

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答提问二

易乐飞2007/3/26 16:58:44 [ 删除 ]
pol转换在原核生物不存在

动画在那里?

郑道山 2007/3/2 17:23:16 [ 删除 ]
老师:
       上课的动画在哪里?怎么找不到啊

re: 答“问题”同学的提问

易乐飞2007/3/3 10:07:55 [ 删除 ]
限于版权,动画没有放到网络上,不过我可以直接给你们。

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Duglasebitat2017/4/9 0:57:35 [ 删除 ]
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Duglasebitat2017/4/17 2:09:56 [ 删除 ]
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