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Investigation on the effect of osmosis in plant tissue.
Member rating: No Rating | Words: | Submitted: Tue Oct 14 2003
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INVESTIGATION ON THE EFFECT OF OSMOSIS IN PLANT TISSUE AIM: To investigate the effect of osmosis in potato tissue through turgor and plasmolysis. APPARATUS: 18 test tubes, 2 test tube racks, 3 potatoes, 5mm cork borer, electronic weighing scales, stopwatch, measuring cylinder, scalpel, thermometer, cutting board, 200ml of molar sugar solution and 500ml of distilled water. METHOD: 1) Place one of the potatoes on a cutting board and insert the cork borer into it, whilst keeping it steady. After the borer has been pushed about 5cm into the potato, remove it and extract the tissue using a pencil. Repeat this procedure a further 17 times to obtain 18 potato tissue cylinders. You may require the other two potatoes. 2) Weigh the potato tissue cylinders on an electronic scale and cut them if necessary, using a scalpel, until their masses are equal or similar. 3) Take three of the test tubes and label them 'A'. Then fill...
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