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Bio test

Terms in this set (7)

Osmosis
Diffusion of water through a selectively permeable membrane
Endocytosis
process by which a cell takes material into the cell by infolding of the cell membrane
Phagocytosis
process in which extensions of cytoplasm surround and engulf large particles and take them into the cell
Pinocytosis
process by which a cell takes in liquid from the surrounding environment
receptor-mediated endocytosis
The movement of specific molecules into a cell by the inward budding of membranous vesicles containing proteins with receptor sites specific to the molecules being taken in; enables a cell to acquire bulk quantities of specific substances.
Exocytosis
Process by which a cell releases large amounts of material
facilitated diffusion
Movement of specific molecules across cell membranes through protein channels
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