3 AS Biology resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter AS SubjectClear filter Biology Exam board CIE WJEC TopicClear filter Cell membranes and transport Resources Flashcards Multi-tool Revision Notes Fluid mosaic membranes AS, Biology Revision notes 5.0 / 5 Movement of substances into and out of cells AS, Biology Revision notes 4.5 / 5 BY1 WJEC cell membranes and transport AS, Biology 20 flashcards 4.0 / 5 Search again