cell membrane structure in monochrome on white background . education

anatomy background bilayer biology carbohydrate cell cellular channel cholesterol cytoplasm cytoplasmic detailed diagram diffusion education endocytosis exocytosis fluid globular glycolipid glycoprotein health human illust illustration integral isolated labeled layer life lipid macro medical medicine membrane model models molecule monochrome osmosis peripheral phospholipid plasma protein science structure surface trans transport transporters vector water white