Membrane Permeability
Definition
Membrane permeability refers to the ability of substances to pass through biological membranes while being selective about what passes through it.
Related terms
Diffusion: The process by which molecules move from an area of higher concentration to an area of lower concentration.
Osmosis: The diffusion of water through a selectively permeable membrane.
Active Transport: The movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
"Membrane Permeability" appears in:
Study guides (2)
AP Biology - 2.4 Plasma Membranes
AP Biology - 2.5 Membrane Permeability
Practice Questions (1)
Which of the following factors influence membrane permeability?
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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.