真核生物的结构基因是（），由编码的外显子和非编码的内含子组成

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24654' and id < 2114120 and id<>'2114120' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24654' and id > 2114120 and id<>'2114120' order by id asc limit 5