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Biology Course work Aim: An investigation into calculating the water potential of potato cells. Research Osmosis is the diffusion of water from a high water potential to a low water potential through a semi-permeable membrane until the amount of particles are equal. Hypothesis: Osmosis is defined as the net movement of water or any other solution¡ 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 such as a cell wall, which lets smaller molecules such as water through but does not allow bigger molecules to pass through. The molecules will continue to diffuse until the area in which the molecules are found reaches a state of equilibrium, meaning that the molecules are randomly distributed throughout an object, with no area having a higher or lower concentration than any other. For this...

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