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Agenda 12/6—Day 5. Get out your lab books Obtain a potato tuber Put the tubers in order of how you think osmosis occurred based on the concentrations. Procedure. Get a paper towel Label the with the 6 colors of the solutions As you remove the potato, place it under the appropriate color
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Agenda12/6—Day 5 • Get out your lab books • Obtain a potato tuber • Put the tubers in order of how you think osmosis occurred based on the concentrations
Procedure • Get a paper towel • Label the with the 6 colors of the solutions • As you remove the potato, place it under the appropriate color • Handle the potato . What does it feel like? • Can you use your knowledge to explain what is happening in each potato?
Solutions • Distilled water=Blue • .2 M Sucrose=Green • .4 M Sucrose=Red • .6 M Sucrose=Yellow • .8 M Sucrose=Orange • 1.0 M Sucrose=Clear
Collins • Explain what knowledge you used to match the potato tuber to it’s respective sucrose solution • Hypertonic • Isotonic • Hypotonic • Water potential • Turgid • Plasmolysis • flaccid