5: Structure and Function of Plasma Membranes Last updated Save as PDF Page ID12481 Contributed by BoundlessGeneral Microbiology at Boundless 5.1: Components and Structure5.1A: Components of Plasma Membranes5.1B: Fluid Mosaic Model5.1C: Membrane Fluidity5.2: Passive Transport5.2A: The Role of Passive Transport5.2B: Selective Permeability5.2C: Diffusion5.2D: Facilitated transport5.2E: Osmosis5.2F: Tonicity5.3: Active Transport5.3A: Electrochemical Gradient5.3B: Primary Active Transport5.3C: Secondary Active Transport5.4: Bulk Transport5.4A: Endocytosis5.4B: Exocytosis