由RNA聚合酶Ⅱ催化所形成的初始转录产物，称为

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='24654' and id < 2114121 and id<>'2114121' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24654' and id > 2114121 and id<>'2114121' order by id asc limit 5