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Biology Coursework - How much sugar does a potato contain?
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Introduction When you submerge a plant cell in water, water flows through the cell wall and cell surface area into the vacuole from the outside. As a result, the cell swells up, but does not burst. This is because the cell wall stops the cell expanding too much. When this point is reached we say that the cell is fully turgid. This type of diffusion is called osmosis, and takes place through a partially permeable membrane. The water moves from a dilute solution to a concentrated solution. This stops when the levels of water in each solution are equal....
happened in our experiment.

I have reached a conclusion that the amount of sugar in a potato is just over 10%, at about 12%. I reached this conclusion because I have drawn a line of best fit on my graph which contains the results from the experiment, and where the line reaches the x axes, that is the percentage of sugar in the potato.

Evaluation

To improve our experiment next time we could use a larger amount of potatoes. We could also use a broader range of sucrose solutions to make our results more accurate.

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