The Fluid Mosaic Model

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  • Created by: Ellie
  • Created on: 04-12-13 14:47
  • a model of how all the components found in cell membranes are arranged to form a biological membrane
  • 'fluid' = a bilayer of phospholipid molecules forming the basic structure has frequent lateral movement
  • 'mosaic' = various protein molecules floating in the phospoholipid bilayer, some completely freely, soe bound to other components or structures stud the membrane

Glycolipids where phopholipid molecules have a carbohydrate part attached

Glycoproteins where protein molecules have a carbohydrate part attached


  • gives membranes stability
  • fits between fatty acid tails making the barrier more complete so e.g. water and ions cannot pass easily and directly through the membrane

Channel Proteins

  • molecules of sugras such


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