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Neeraj Shah 02/12/02 AN INVESTIGATION INTO THE EFFECTS OF OSMOSIS POTATO CELLS SKILL AREA P: PLANNING Introduction The aim of this investigation is to see the effect of varying concentrations of glucose solution on the amount of osmotic activity between the solution and a potato chip. An investigation into Plasmolysis in onion cells was undertaken prior to this experiment, in order to gain some knowledge of osmosis to enable a hypothesis to be formed. Preliminary Work and Scientific Knowledge Osmosis is defined as the net movement of water molecules from a region in which they are highly concentrated to a region in which they are less concentrated. This movement must take place across a partially permeable membrane, like a cell wall, which allows small molecules like water through but does not let larger molecules through. The molecules continue to diffuse until the area in which they are found has an even distribution of molecules all round, inside...

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