Diffusion, Osmosis & Active Transport 0.0 / 5 ? BiologyDiffusionIGCSEAQA Created by: amelia_hockenhullCreated on: 27-04-16 11:29 % Change (Actual Change in mass / Start mass ) x 100 1 of 8 3 Examples of solutes i) NaCl, ii) Glucose iii) Sucrose 2 of 8 Factors Affecting the Rate of Movement i) Temperature ii) Concentration Gradient iii) Sa:Vol 3 of 8 Define Diffusion The movement of molecules from an area of higher to lower concentration to create an equilibrium. 4 of 8 Define Osmosis The diffusion of water molecules from a higher to lower water potential across a semi permeable membrane. 5 of 8 Define Active Transport The movement of molecules into or out of a cell through a protein channel using ATP (energy). 6 of 8 Define Turgid A plant fully inflated with water. 7 of 8 Define flaccid. The opposite of turgid. 8 of 8
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