A.400nm
B.380nm
C.300nm
D.280nm
E.260nm
[单选题]检测核酸浓度用可见光分光光度计,波长用()A .400nmB .380nmC .300nmD . D.280nmE .260nm
[单选题]检测核酸浓度用可见光分光光度计,波长用( )。A.300nmB.280nmC.380nmD.400nmE.260nm
[单选题]检测核酸浓度用可见光分光光度计,波长用( )。A.300nmB.280nmC.380nmD.400nmE.260nm
[单选题]检测核酸浓度用可见光分光光度计,波长用( )。A.300nmB.280nmC.380nmD.400nmE.260nm
[单选题]检测核酸浓度用可见光分光光度计,波长用A.400nmB.380nmC.300nmD.280nmE.260nm
[单选题]检测核酸浓度用可见光分光光度计,波长用A.400nmB.380nmC.300nmD.280nmE.260nm
[单选题]检测颜色用可见光分光光度计,波长用()A . 450nmB . 380nmC . 350nmD . 300nmE . 280nm
[单选题]检测颜色用可见光分光光度计,波长用( )。A.350nmB.300nmC.380nmD.450nmE.280nm
[单选题]检测颜色用可见光分光光度计,波长用A.450nmB.380nmC.350nmD.300nmE.280nm
[单选题]检测颜色用可见光分光光度计,波长用( )。A.350nmB.300nmC.380nmD.450nmE.280nm