B3: Osmosis

  • Created by: tobiano
  • Created on: 24-04-14 20:30
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  • Osmosis
    • The movement of water in or out of cells through the cell membrane
      • The water diffuses across a partially permeable membrane
        • The cell membrane is partially permeable
    • Random movement
    • Requires no energy
    • Osmosis refers to the movement of water molecules only
    • The water moves along a concentration gradient
      • From an area of high concentration to an area of low concentration


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