Diffusion, osmosis and active transport

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  • Created by: Joanne
  • Created on: 20-05-12 13:34


  • passive movement of particles from an area of high concentration to an area of low concentration
  • the greater the difference in concentration, the faster the rate of diffusion
  • example: oxygen required for respiration diffuses into cells and carbon dioxide produced by respiration diffuses out of cells


  • the diffusion of water molecules from a dilute solution to a more concentrated solution through a partially permeable membrane
  • (from an area where there's…


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