| − | Specialized [[protein|proteins]] that aid in destroying [[infection|infectious]] agents.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref> | + | Specialized [[protein|proteins]] that aid the immune system in destroying [[infection|infectious]] agents.<ref>Wile, Dr. Jay L. ''Exploring Creation With Biology''. Apologia Educational Ministries, Inc. 1998</ref> Each type of antibody recognizes a specific [[antigen]]. |