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Terms in this set (10)
Requires no energy. Movement of molecules from high to low concentration. Usually done with small molecules.
Requires energy. Movement of molecules from low to high concentration. Usually done with large molecules.
A property of cell membranes that allows some substances to pass through, while others cannot.
Diffusion of water through a selectively permeable membrane.
Movement of molecules from an area of higher concentration to an area of lower concentration.
Process in which cells or microorganisms engulf and digest microorganisms and/or cellular debris.
Active transport process where a cell engulfs materials with a portion of the cell's plasma membrane and releases the contents inside of the cell.
An active transport process by which materials are expelled from a cell.
A measure of the amount of one substance dissolved in another substance.
A transmembrane protein that helps a certain substance or class of closely related substances to cross the membrane.
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