Movent molecules 4.5 / 5 based on 4 ratings ? BiologyDiffusionGCSEAQA Created by: caitlincannonCreated on: 12-02-14 12:56 352164 Across 1. Active transport requires protein...? (8) 4. Osmosis is..? (5) 5. Active transport requires....? (6) Down 2. 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...? (8) 3. what does diffusion not require? (6) 6. Molecules move from a high concentration gradient to a ..... concentration gradient (3)
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