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RNAȡcDNA
[2015/12/16]
֞ɴ(li)һ(li)ǺᣨRNAһ(li)ÓǺᣨDNAķOĔf(wn)|f(wn)ǃԻһĵc(din)ˮˮҺҴЙC܄ȵĺ᳣͵|(zh)Yϳɺ˵Ǻ˵ÓǺ˵ڲͬȵ늽|(zh)Һеܽ@(zh)^eһȷȻcҺÓǺ˵ܽS(zh)ȻcȵӶu½ȻcȞ0.14mol/Lr(sh)ܽȃHˮܽȵ1/100Ȼcӕr(sh)ÓǺ˵ܽȻcӵ0.5mol/Lr(sh)ܽcˮܽȻcӵ1mol/Lr(sh)ܽȱˮд2Ǻ˵0.14mol/LȻcҺஔܽ˳0.14mol/LȻcҺȡǺ˵ȡÓǺ˵וr(sh)t1mol/LȻcҺɷNǺ˵ܽcҺpHҲP(gun)pHֵ4.2r(sh)ÓǺ˵ܽpHֵ2.0~2.5r(sh)Ǻ˵ܽ{ȻcҺĝȺpHֵʹǺ˵ÓǺ˵x_(ki)(li)
RNAȡͨ0.14mol/LȻcҺM{ȡ|(zh)еĺǺ˵ºDNAļ|(zh)Ȼ10%{pHֵ4.2r(sh)a(chn)xȥҺ0.5mol/LȻcҺˮϴǺ˵ܽ0.5mol/L̼cҺxȡҺ{pHֵ4.2ij0.5mol/LȻcҺϴһγȥÓǺ˵Ǻ˵еĵ|(zh)úȷ³ȥ̼cˮҺҴRNAc}ʽ(li)
DNAȡDNAҪڼȻB(ti)DNA^ÓǺ˵ʽڵwȡDNAr(sh)һȫ@ÓǺ˵ٌ|(zh)ȥзxDNAõķ1mol/LȻcҺõÓǺ˵Һcȷһʎȥ|(zh)ڽMԵ͝0.14mol/LȻcҺҲ0.1mol/LȻc0.05mol/L棩ϴȥǺ˵1mol/LȻcÓǺ˵ȡȷ-ᷨȥ|(zh)ɷN^һNʹήһЩϡ}ҺȡDNAr(sh)mȥۄڵ|(zh)cDNAķx