RT Journal Article SR Electronic T1 Jaws, Lids & Swinging Gates: Proteins on the Move JF The American Biology Teacher FD University of California Press SP 184 OP 187 DO 10.2307/4449959 VO 57 IS 3 A1 Flannery, Maura C. YR 1995 UL http://abt.ucpress.edu/content/57/3/184.abstract AB