促进Lac操纵子转录的条件是必须存在

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29024' and id < 2362095 and id<>'2362095' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29024' and id > 2362095 and id<>'2362095' order by id asc limit 5