下列（ ）参与打开DNA双螺旋结构。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25864' and id < 2171311 and id<>'2171311' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25864' and id > 2171311 and id<>'2171311' order by id asc limit 5