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16 Cards in this Set
- Front
- Back
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homeostasis
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biological balance
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diffusion
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the movement of molecules from an area of high concentration to an area of low concentration
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equilibrium
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molecules are spread out evenly
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dynamic equilibrium
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since molecules are constantly moving, they are called ____ when spread out evenly
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osmosis
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the diffusion of water through a selectively permeable membrane
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tonicity
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concentration
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types of solutions:
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isotonic, hypertonic, hypotonic
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isotonic solution
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water and cell have the same amount of salt
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hypertonic solution
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water has more salt than the cell
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hypotonic solution
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cell has more salt than the water
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what happens to the cell in a hypertonic solution?
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plasmolysis (shrivels up)
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what happens to the cell in a hypotonic solution?
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deplasmolysis (swells up) or cytolysis (bursts)
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water moves to the ___ solution
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saltiest
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plasmolysis
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shriveling up
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deplasmolysis
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swells up
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cytolysis
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bursts
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