Movent molecules 4.5 / 5 based on 3 ratings ? BiologyDiffusionGCSEAQA Created by: caitlincannonCreated on: 12-02-14 12:56 Molecules move from a high concentration gradient to a ..... concentration gradient Low 1 of 6 Diffusion allows substances to pass into or out of cells across the cell membrane - but they must be dissolved and there must be a concentration...? Gradient 2 of 6 what does diffusion not require? Energy 3 of 6 Active transport requires protein...? Carriers 4 of 6 Active transport requires....? Energy 5 of 6 Osmosis is..? Water 6 of 6
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