Membrane permeability refers to the ability of substances to pass through biological membranes while being selective about what passes through it.
Topic 2.5: 2.5 Membrane Transport
Membrane Permeability cheat sheet for homework
The process by which molecules move from an area of higher concentration to an area of lower concentration.
The diffusion of water through a selectively permeable membrane.
The movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.