Transport across cell membrane

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  • Created by: katie
  • Created on: 23-03-13 14:12
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  • Transport across cell membrane
    • Facilitated  diffusion
      • Carrier/ channel proteins
    • Osmosis
      • Movement of water from a higher water potential to low
    • Active transport
      • ATP Dependant
      • Protein carriers required
      • Against concentration gradient
    • Diffusion
      • Passive process
      • High-> low concentration gradient
    • Endocytosis/ exocytosis
      • (ATP) required
      • Involves invaginations cell membrane


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