Active Transport

brief notes on active transport

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  • Created by: izzy
  • Created on: 02-07-12 12:47

ACTIVE TRANSPORT

  • Occurs against a concentration gradient.
  • Requires energy.
    • This energy comes from cellular respiration.
  • Active transport means cells an absorb ions from very dilute solutions.
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Examples


  • Uptaking mineral ions through the soil.
  • Glucose moves from the gut and kidney to the blood.
  • Salt glands in marine animals (as the kidneys cannot dispose of all the salt that they take up).
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Comments

sanya


well donee thankss

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