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Ch 4.1 Vocab

TermDefinition
Diffusion the movement of particles from regions of higher density to regions of lower density
Osmosis the diffusion of water through a semipermeable membrane
Passive Transport the movement of substances across a cell membrane without the use of energy by the cell
Active Transport the movement of substances across the cell membrane that requires the cell to use energy
Endocytosis the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell
Exocytosis the process in which a cell releases a particle by enclosing the particle in a vesicle that then moves to the cell surface and fuses with the cell membrane
Semipermeable means that only certain substances can pass through
Created by: KUTracer
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