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Cell Transport Vocab

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Term
Definition
show the movement of chemical substances, usually across the cell membrane, against a concentration gradient; requires cells to use energy.  
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Concentration gradient   show
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show the movement of particles from regions of higher density to regions of lower density.  
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Equilibrium   show
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show decorated with small pieces of colored glass or stone fitted together, a substance that is fluid at room temperature and pressure  
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Homeostasis   show
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Hypertonic   show
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Hypotyonic   show
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show a solution whose solute concentration is equal to the solute concentration inside a cell.  
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show The diffusion of water or another solvent from a more dilute solution(of a solute) to a more concentrated solution(of the solute) through a membrane that is permeable to the solvent.  
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show the movement of substances across a cell membrane without the use of energy by the cell.  
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Permeability   show
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Phosopholipid   show
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show in a solution, the substance that dissolves in the solvent  
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solution   show
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show in a solution, the substance in which the solute dissolves  
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show is the amount of surface area per unit volume of an object or collection of objects.  
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show A special transport protein in the plasma membrane that transports sodium ions out of the cell and potassium ions into the cell against their concentration gradients. The process is powered by ATP.  
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Created by: Christensent
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