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8 Cards in this Set
- Front
- Back
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Active Transport
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The use of energy in the form of ATP to move substances across the membrane.
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Passive Transport
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Does not require energy; makes use of diffusion and filtration.
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Diffusion
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Particles spread out evenly throughout an available space and move from regions of high concentration to those of low concentration.
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Osmosis
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Water moves from high concentration to an area of low water concentration.
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Isotonic
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When the solute concentration of water is the same as that inside the cell.
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Hypertonic
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When the solute is more concentrated outside the cell then inside the cell.
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Hypotonic
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Solute concentration outside the cell is lower that that inside the cell.
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Filtration
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The movement of water and solutes through the membrane by fluid or hydrostatic pressure.
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