Osmosis - Biology Revision

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Osmosis - Biology Revision

KEY FACTS ABOUT OSMOSIS:

  • Osmosis is the movement od water molecules across a partially permeable membrane from a region of high water concentration to a region of low water concentration.
  • Osmosis is the passive movement of water particles from an area of high water concentration to an area of low water concentration.
  • A partially permeable membrane is one that will only let some types of particles through e.g water, but not others e.g solute like sugar.
  • DILUTE = High concentration of water, low concentration of solute
  • CONCENTRATED = Low concentration of water, high concentration of solute
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