Biology Definitions - Chapter 3 0.0 / 5 ? BiologyCell Membranes and TransportASWJEC Created by: grtrice2005Created on: 06-01-22 16:28 7321546 Across 1. a plant cell that holds as much water as possible. further entry of water is prevented as the cell wall cannot expand further (6) 4. where the cell membrane is fully pulled away from the cell wall due to being put in a solution of lower water potential (11) 5. the passive movement of a molecule or ion down a concentration gradient, from an area of high concentration to an area of low concentration (9) 6. not requiring energy provided by the cell (7) Down 2. the tendency for water to move into a system (measured in Psi) (5, 9) 3. the net passive diffusion of water molecules across a selectively permeable membrane from a region of higher water potential to a region of low water potential (7) 7. the movement of molecules or ions across a membrane against a concentration gradient, energy from the hydrolysis of ATP made by the cell in respiration (6, 9)
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