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Cell Transport Quiz

Diffusion, Osmosis, Cell Transport

TermDefinition
Diffusion the net movement of particles from an area of high concentration to an area of low concentration
Osmosis diffusion of water through a membrane
Kinetic energy the energy of movement; molecules have kinetic energy
Cell membrane the outer boundary of a cell, controls what gets into and out of a cell
Semi-permeable or selectively permeable membrane a membrane that allows some materials through but blocks others
Passive transport NO cellular energy needed to move materials into or out of a cell
Active transport cellular energy IS needed to move materials into or out of a cell
Adenosine triphosphate (ATP) the energy molecule of the cell, made by mitochondria
Net movement the number of molecules moving in one direction minus the number moving in the opposite direction
Concentration gradient a change in concentration form one area to another
Equilibrium the number of molecules moving out of the cell is equal to the number moving in
Solvent a substance that dissolves stuff, the thing that another substance is added to
Solute something that gets dissolved in another substance; the thing that gets dissolved
Solution a liquid with a solute evenly distributed in the solvent
Hypotonic a solution with a low solute concentration compared to another solution
Hypertonic a solution with a high solute concentration compared to another solution
Isotonic a solution with the same solute concentration as another solution
Mass the amount of matter in an object, measured in grams
Created by: 1052848
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