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Osmosis

Biology Midterm Vocabulary

WordDefinition
passive transport transport of particles without using energy
diffusion movement of particles from an area of high concentration to an area of low concentration
equilibrium the state at which two areas have the same concentration gradient and diffusion occurs at a steady rate
solute the particles that dissolve in the solvent
solution the material (usually a liquid) that dissolves the solute
osmosis the movement of water from an area of high concentration to an area of low concentration
hypertonic a solution in which there is a lower concentration within the cell; cell shrivels
hypotonic a solution in which there is higher concentration within the cell; cell swells
isotonic a solution in which there is an equal amount of solute in and out of the cell; the cell maintains its shape
selectively permeable the ability to pick out what can pass and what can not
facilitated diffusion diffusion that happens through a channel protein
active transport transport of particles using ATP energy
endocytosis the taking in of particles in active transport
exocytosis the releasing or removal of waste particles
Created by: QueChaT
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