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Diffusion Vocab

Vocabulary for Section 1

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.
Semipermeable Only certain substances can pass through.
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 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.
Created by: KoboC
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