题目内容
蛋白质具有紫外吸收的性质,检测波长是( )
2021-09-30
A.270〜290nm
B.290〜340nm
C.250〜270nm
D.340〜360nm
E.360〜4:00nm
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='24749' and id < 2119390 and id<>'2119390' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24749' and id > 2119390 and id<>'2119390' order by id asc limit 5