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12 Cards in this Set
- Front
- Back
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Cytolysis |
The bursting of a cell. |
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Diffusion |
The movement of particles from regions of higher density to regions of lower density. |
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Concentration Gradient |
A difference in the concentration of a substance across a distance. |
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Hypertonic |
When a solution whose solute concentration is higher than the solute concentration inside a cell. |
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Hypotonic |
Describes a solution whose solute concentration is lower than the solute concentration inside a cell. |
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Isotonic |
Describes a solution whose solute concentration is equal to the solute concentration inside a cell. |
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Osmosis |
The diffusion of water or another solvent from a more dilute solution to a more concentrated solution through a membrane that is permeable to a substance. |
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Passive Transport |
The movement across a cell membrane without the use of energy by the cell. |
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Plasmolysis |
The contraction or shrinking of the cell membrane of a plant cell in a hypertonic solution in response to the loss of water by osmosis. |
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Turgor Pressure |
The pressure that is exertes on the inside of cell walls and that is caused by the movement of water into the cell. |
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Integral Protein |
A form of transport across the cell membrane for molecules. |
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Peripheral Protein |
A form of transort across the cell membrane in which the molecule attaches to the object. |
