<![CDATA[Biology : Files]]> Elgg http://www.college-cram.com/study/biology/files/ <![CDATA[Exocytosis]]> http://www.college-cram.com/study/biology/files/-1/113/exocytosis.gif Tue, 15 Jan 2008 17:02:04 GMT <![CDATA[Endocytosis]]> http://www.college-cram.com/study/biology/files/-1/112/endocytosis.gif Tue, 15 Jan 2008 16:54:47 GMT