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passive transport the movement of substances through a cell membrane without using a cells energy
diffusion the movement of substances from an area of higher concentration to an area of lower concentration
osmosis the diffusion of water molecules only through a membrane
facilitative diffusion the process by which molecule pass through a cell membrane using special proteins called transport proteins
active transport The movement of a substance through a cells membrane using the cells energy
endocytosis the process during which a cell takes in a substance by the surrounding it with the cell membrane
exocytosis the process during which a cells vesicles release their contents outside the cell
Created by: jcroke3