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| Frage | Antworten |
| BIMOLECULAR (BILAYER) | Phospholipid molecules stretched out to form 2 layers |
| FLUID MOSAIC MODEL | Components free to move fluidly, and proteins in the bilayer vary in shape, size and pattern and are arranged like a mosaic. |
| PASSIVE TRANSPORT | Does not involve the use of metabolic transport |
| DIFFUSION | Movement of molecules from a region of high concentration to a region of low concentration, until they are equally distributed (along a concentration gradient) |
| ACTIVE TRANSPORT | Energy-requiring process in which molecules are moved across membranes against a concentration gradient |
| SOLUTE | Any substance that is dissolved in a solvent. SOlutes and solvents form a solution |
| OSMOSIS | The passage of water from a region of high water potential to a region of low water potential through a partially permeable membrane |
| WATER POTENTIAL | The tendency of water molecules to leave a system Ψ = Ψs + Ψp Water potential = solute potential + pressure potential |
| TURGID | The cell vacuole is full of water and the cytoplasm is pushed against the cell wall |
| HAEMOLYSIS | If red blood cells are placed in distilled (pure) water, water enters by osmosis and they burst |
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