真核细胞的分泌活动与（ ）无关。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29808' and id < 2420645 and id<>'2420645' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29808' and id > 2420645 and id<>'2420645' order by id asc limit 5