Comparison of Diffusion, Osmosis & Active Transport

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  • Created by: Ethan
  • Created on: 26-03-13 13:44
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Diffusion: Osmosis: Active Transport:
What is being moved? Gas or Liquid Water Solute Molecules
Along or against concN Along- higher to lower Along- Higher to lower Against- Lower to Higher
gradient?
Passive or Active? Passive (no energy required) Passive (no energy required) Active (energy is used)
Anything else involved -- A partially permeable A protein carrier is needed
with transport? membrane
Examples: Alveoli to blood (in your Water into red blood cells Mineral ions into root cells
lung) (plants) & glucose being
reabsorbed in the kidney
tubule (animals)
Diffusion, Osmosis & Active Transport:

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