An [[organelle]] composed of an extensive network of folded [[membrane|membranes]] which perform several tasks within a [[cell]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref>
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An '''Endoplasmic reticuluman''' is an [[organelle]] composed of an extensive network of folded [[membrane|membranes]] which perform several tasks within a [[cell]].<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref>