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2.1.5 Biological Membranes - Coggle Diagram
2.1.5 Biological Membranes
Roles of membranes within cells and at the cell surface
partially permeable barrier
cell signalling
site of chemical reactions
Fluid mosaic model
phospholipids
cholesterol
glycolipids
proteins
glycoproteins
Factors affecting membrane structure and permeability
temperature
solvents
how to use a colorimeter to investigate membrane permeability
Movement of molecules across membranes
Active
Active transport
Endo/exocytosis
Passive
Simple diffusion
Facilitated diffusion
Osmosis
Effect of different solution on water potential in animal cells
Effect of different solutions on water potential in plant cells
Practical investigations to determine water potential of cells
Practical investigations into the factors affecting diffusion rates in model cells