science biology 3.0 / 5 based on 1 rating ? BiologyEnzymes and digestionDNA and inheritancediffusionGCSEAQA Created by: revisemania7Created on: 19-12-14 10:44 what is diffusion? diffusion is the spreading out of particles from an area of higher concentration to an area of lower concentration 1 of 5 where does diffusion take place? in both solutions and gasses? 2 of 5 why does diffusion take place in solutions and gasses? because the particles in these substances are free to move about randomly 3 of 5 what are enzymes? enzymes are catalysts produced by living things. 4 of 5 what is a catalyst? a catalyst 5 of 5
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