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Cell Transport

Diffusion Particles move from areas of high concentration to areas of low concentration.
Facilitated Diffusion Particles cross a membrane through a protein channel
Osmosis Movement of water across a semi-permeable membrane
Isotonic Water is balanced on either side of the membrane
Hypertonic Water will move to that side of the membrane
Hypotonic Filled with water
Passive Transport To cross a membrane without extra energy
Active Transport Requiring ATP (extra energy) to cross a membrane
Endocytosis A particle is packaged into a vesicle to be brought into the cell
Exocytosis A particle in a vesicle is forced out of the cell
Created by: Mrs.Stichter