Osmosis, Diffusion and Active Transport 0.0 / 5 ? BiologyCells, tissues and organsGCSEOCR Created by: JoeCreated on: 04-06-14 16:48 Osmosis Definition: The movement of water molecules from a dilute to a more concentrated area through the semi peremeable membrane. 1 of 3 Diffusion Definition: Movement of molecules from a high concentration to a area of low concentration. 2 of 3 Active Transport Definition: Movement of molecules in or our of cels which requires energy. 3 of 3
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