Biology: Exchanging Materials
- Created by: Amy Caldow
- Created on: 22-04-10 20:31
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Exchanging Materials.
Osmosis and Diffusion is when water and dissolved substances move along a concentration gradient. From a higher concentration to a lower concentration gradient.
Active Transport is when these things are absorbed against a concentration gradient using energy from Respiration.
Plants absorb ions from dilute solutions by active transport.
Active transport takes place in the opposite direction to normal…
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