Cell Transport and Related Terms

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Passive Transport

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Movement of substances across a cell membrane without using energy.

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Diffusion

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The process where particles spread from areas of high concentration to areas of low concentration.

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Concentration Gradient

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The difference in the concentration of a substance across a space.

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Equilibrium

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A state where the concentration of a substance is equal throughout a space.

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Osmosis

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The diffusion of water across a semipermeable membrane.

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Hypotonic

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A solution with a lower concentration of solutes compared to another solution.

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Hypertonic

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A solution with a higher concentration of solutes compared to another solution.

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Isotonic

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A solution with the same concentration of solutes as another solution.

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Turgor Pressure

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The pressure of water inside a plant cell that pushes against the cell wall, helping maintain its shape.

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Plasmolysis

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The process where a plant cell loses water and shrinks away from its cell wall.