Biology

diffusion : the net movement in a regiom from high concentration to a region of low concentration
Osmosis : The movement of water from a high concentration of water to a low concentration of water through a semi-permeable membrane (e.g. the movement of distilled water into a core of potato)
Active transport: The movement of particles against the concentration gradient using energy (e.g. the 'pump' proteins in a cell)

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  • Created by: Afra
  • Created on: 30-03-13 12:59

Biology, section 1

Active transport: The movement of particles against the concentration gradient using energy
diffusion: net movement of particles from a high concentration to a low concentration
Osmosis: The movement of water from a high concentration of water to a low concentration of water through a semi-permeable membrane

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