B2 1.4 Diffusion 0.0 / 5 ? BiologyCells, tissues and organsGCSEAQA Created by: jkavCreated on: 14-04-14 16:51 B2 1.4 Diffusion Dissolved substances and gases can move into and out of cells by diffusion. Diffusion occurs more rapidly when there is a larger differnce in concentration. 1 of 1
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