用以标记核酸探针的物质可以是（）.

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29865' and id < 2422737 and id<>'2422737' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29865' and id > 2422737 and id<>'2422737' order by id asc limit 5