2 resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevel IGCSE University Subject Business Studies zoology Exam board AQA All boards TopicClear filter Biological Membranes Membrane Proteins Phospholipid Bilayer Resources Mindmap Revision Cards Biological Membranes University, zoology 14 revision cards 3 Membrane Proteins IGCSE, Business Studies Mindmap Search again