Worksheet 12 Osmosis and Hypotonic, Hypertonic, and Isotonic Solutions
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| Define osmosis | diffusion of water
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| Define hypotonic solution | a lower concentration in the solution, making the cell swell
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| Define hypertonic solution | a higher concentration in the solution, making the cell shrivel
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| Define isotonic solution | equal on both sides of the membrane
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| When a cell is in a hypotonic solution, how will water molecules move? | The water rushes into the cell and lowers the concentration in the cell.
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| When a cell is in a hypertonic solution, how will water molecules move? | goes out so concentration will rise
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| When a cell is in an isotonic solution, how will water molecules move? | move equally in and out
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| Explain how hypotonic and hypertonic solutions can make a plant rigid and firm or make it wilt. | Hypotonic makes it swell=rigid and firm, hypertonic does the opposite and makes it wilt
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| Osmosis is a form of passive transport. Explain how facilitated diffusion, which is another form of passive transport, is different from osmosis. | no energy is used, but a protein facilitates, or helps, the transport to occur
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