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Saturday, November 30, 2013

An investiagtion to establish the isotonic point of potato cell sap

I have been asked to investigate the absorb of osmosis on spud kiosk sap. I exiting test potato cylinders in diametric strengths of sucrose solution and record any results in a table. I leave then analyse my findings and run short place the isotonic point of the potato cell sap. foretelling I have looked at my scientific knowledge from the earth theory I carried fall out and I will base my prediction upon this information. In this experiment, I expect the unalike concentrations to show fairly noticeable forcefulnesss on the lengths and crowd of the potatoes, with the wet diff employ into the potatoes at a high valuate in the sucrose solution and and then making their size of it bigger than at the start. As the distilled pee solutions become stronger, I expect the rate of osmosis to increase (and, as a result, make the potatoes themselves comparatively bigger at the end). Also, the potatoes will be quite a turgid at the start of the experiment, in that loca tion will be already some water inside, and because of this I expect, in the stronger solutions, for there to be a decrease in the mount and length of the potato, due to a reversal in the effect of osmosis.
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Apparatus · 6 test tubes · White tile · 1 bomber sugar solution · Electronic balance · stopwatch · Measuring cylinders · Ruler · 12 pieces of potato (0.8g separately) · 2 beakers · Distilled water Method We cut 12 pieces of potato using the bobsled bore bit and knife, and then we weighed each piece to 0.8g using electronic scales. The lengths of each potato cylinder varied so we me asured them using a ruler and wrote the diff! erent lengths down. We set(p) the potato cylinders on a paper towel in order to alter any excess residue from them, and keep... If you indispensability to get a full essay, order it on our website: OrderCustomPaper.com

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