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10 Cards in this Set
- Front
- Back
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Passive Transport
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Movement of substances across the membrane.
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Diffusion
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Movement of molecules from an area of higher concentration to an area of lower concentration.
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Concentration Gradient
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Difference in the concentration of molecules across a space.
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Equilibrium
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When the concentration of the molecules of a substance is the same throughout a space.
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Osmosis
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Process by which water molecules diffuse across a cell membrane from an area of higher concentration to an area of lower concentration.
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Hypotonic
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When the concentration of the solute molecules outside the cell is lower than the concentration in the cytosol.
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Hypertonic
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When the concentration of the solute molecules outside the cell is lower than the concentration in the cytosol.
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Isotonic
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When the concentration of solutes outside and inside the cell are equal.
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Contractile Vacuoles
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Organelles that remove water.
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Turgor Pressure
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The pressure that water molecules exert agianst the cell wall.
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