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Exchange Materials

How do cells exchange materials?

TermDefinition
Cell Membrane barrier between inside and outside of the cell
Semi-Permeable Membrane Only certain things can cross through the barrier into and out of a cell
Passive Transport Moves materials into and out of a cell to areas of lower concentration - no energy required
Diffusion the movement of molecules from high concentration to low concentration
Diffusion The stinky smell of a fart slowly crept across the room.
Osmosis the movement of WATER through a membrane from areas of high concentration to areas of low concentration.
Osmosis The gummy bear swelled up and then shriveled due to osmosis.
Active Transport USES ENERGY (ATP) to move materials into and out of a cell to areas of higher concentrations.
Endocytosis Process where cells use energy to surround a particle and enclose it in a vesicle and brings it inside the cell.
Endocytosis "cell eating"
Exocytosis Process where cells use energy to inclose particles in a vesicle and release them from the cell.
Exocytosis "cell pooping"
Created by: amy.jensen
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