BIO NYA 29 - Equilibrium Types Simple diffusion...

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1.3.5 Semi-Permeable Membrane / Selective Transport Fat soluble molecules cross the phospholipid bilayer Polar monomers cross via a transport carrier (integral protein) Polymers are too large to cross, use transport vesicle Two main groups of transport o Passive Transports No energy required High -> Low (with the concentration gradient)
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Unformatted text preview: Equilibrium Types: Simple diffusion, Carrier-facilitated diffusion, Osmosis o Active Transports Need ATP Low -> High (against the concentration gradient) Lead to different concentrations across the membrane Types: Sodium-Potassium Pump, Co-Transport, Exocytosis, Endocytosis (Phagocytosis, Pinocytosis)...
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