Biology B3

Just one card to start with, even people enjoy them, i might do all of aqa biology

=) happy revising

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  • Created by: George
  • Created on: 09-05-12 17:48

1.1 Active Transport - B3 Biology AQA

Substances get in and out of the body through --

Active TransportDiffusion and Osmosis                                                                                         

Osmosis and Diffusion involve substances form high concentration to low concentration               ;;;;;;; > ;;;

A cell amy need to take a substance e.g oxygen against the concentration gradient (low to high) this involves energy = Active Transport

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