关于Sami的百科

• Sami造句怎么写

• "TheSamispiritfollowsyou,"hesays.SeveralSamilanguagesarespokenandwritteninthenorthernregionsbytheSamipeople.TheSamihavestrongviewsonenvironmentalmatters.Andyet,throughouttheirhistory,theSamihavealwaysfaceddownseeminglyinsurmountablechallenges,froma...
• 2018-06-0118419

• 图为某种质粒表达载体简图，小箭头所指分别为限制*内切酶EcoRI、BamHI、SamI的酶切位点，P为启动子，...

• 问题详情：图为某种质粒表达载体简图，小箭头所指分别为限制*内切酶EcoRI、BamHI、SamI的酶切位点，P为启动子，T为终止子，ori为复制原点。已知目的基因的两端分别有包括EcoRI、BamHI、SamI在内的多种酶的酶切位点。外源DNA*入到ampR或tctR中会导致相应的基因失活（ampR表示氨苄青霉...
• 2019-11-1124715