欢迎来到天天文库
浏览记录
ID：58991678
大小：135.50 KB
页数：5页
时间：2020-09-16
《二DNA聚合酶与DNA的合成.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、二、DNA聚合酶与DNA的合成 Theaccuracyoftranslationreliesonthespecificityofbasepairing.Theactualrateinbacteriaseemstobe--10-8-10-10.Thiscorrespondsto-1errorpergenomeper1000bacterialreplicationcycles,or-10-6pergenepergeneration. DNApolymerasemightimprovethespecificityofco
2、mplementarybaseselectionateither(orboth)oftwostages:·Itcouldscrutinizetheincomingbaseforthepropercomplementaritywiththetemplatebase;forexample,byspecificallyrecongnizingmatchingchemicalfeatures.Thiswouldbeapresyntheticerrorcontrol.· Oritcouldscrutinizethebasepairafte
3、rthenewbasehasbeenaddedtothechain,and,inthosecasesinwhichamistakehasbeenmade,removethemostrecentlyaddedbase.Thiswouldbeaproofreadingcontrol.
此文档下载收益归作者所有
