Membranes and Transport

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Membranes and Transport
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Membrane Structure

• Phospholipids

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Phospholipid Bilayer
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Biological Membranes

• Proteins may go all the way through or partway
  through the lipid bilayer

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And on the outside

• Small carbohydrate molecules

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Diffusion Passive Transport

• Animation of diffusion http//ull.chemistry.uakron
  .edu/genobc/animations/diffusion.mov

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Diffusion through a membrane

• http//bio.winona.edu/berg/ANIMTNS/FlashAnimations
  /Diffusion/membraneDiffusion2.swf

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Osmosis, Diffusion of water
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Sodium Potassium Pump Active Transport

• http//bio.winona.edu/berg/ANIMTNS/nakan.gif