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Honors - Cell membrane ~ diffusion and osmosis 1011
 

Honors - Cell membrane ~ diffusion and osmosis 1011

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    Honors - Cell membrane ~ diffusion and osmosis 1011 Honors - Cell membrane ~ diffusion and osmosis 1011 Presentation Transcript

    • Cell Membranes and Transport Honors Biology ~ Edgar
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    • Osmosis
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    • Osmosis
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    • Concept Check
      • If a Paramecium were to swim from a hypotonic environment to an isotonic one, would the activity of its contractile vacuole increase or decrease? Why?
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    • Concept Check
      • This diagram represents osmosis of water across a semipermeable membrane. The U-tube on the right shows the results of the osmosis. What could you do to level the solutions in the two sides of the right hand U-tube?
        • Add more water to the left hand side.
        • Add more water to the right hand side.
        • Add more solute to the left hand side.
        • Add more solute to the right hand side.
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    • Answer
      • This diagram represents osmosis of water across a semipermeable membrane. The U-tube on the right shows the results of the osmosis. What could you do to level the solutions in the two sides of the right hand U-tube?
        • c) Add more solute to the left hand side.
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    • Jmol
    • Harvard BioVisions
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    • Sodium Potassium Pump
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