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Ck12 HS Bio CH3.3 G

Cell Transport & Homeostasis

TermDefinition
passive transport transport across a membrane without any additional energy requirement
osmosis the diffusion of water
endocytosis type of vesicle transport that moves a substance into the cell
exocytosis type of vesicle transport that moves a substance out of the cell
transport protein special proteins in the membrane that aid diffusion
channel protein membrane protein that forms a small hole that allows ions to pass through
sodium-potassium pump an active transport protein
facilitated diffusion diffusion with the help of transport proteins
diffusion the movement of a substance across a membrane without any help from other molecules
vesicle transport the transport of very large molecules, such as proteins
active transport transport across a membrane in which energy is required
Created by: djhockett5
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