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Investigate the effects reflected on a potato tuber; which is left in sugar solutions of various concentrations.
Member rating: No Rating | Words: | Submitted: Mon Mar 01 2004
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Aim; I will be carrying out this experiment to investigate the effects reflected on a potato tuber; which is left in sugar solutions of various concentrations. Prediction; I predict that the more dilute (the solution with more water than sugar in it) will result with the potato's mass increasing. I base this prediction on the knowledge I have about osmosis. Osmosis is the term given for the process of water passing through a semi-permeable membrane from the less concentrated solution to a more concentrated solution. If, as in diagram 1, the potato tuber has a higher sugar concentrate than the sugar solution surrounding it, osmosis will take place into the potato, causing the potato in the solution to swell. This is because the plant cells; which make up the potato have become turgid, So that the cytoplasm is pushing outwards onto the cell wall. (Please refer to diagram 2 on separate sheet) To...
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