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Biology planning skills assignment Potatoes, like all other vegetables contain the enzyme catalase, which breaks down the toxic waste product of hydrogen peroxide. Potatoes have an unusual response to long exposures of light, where the chemical properties are altered within the cells. This can be seen as the surface changes green in colour. Storage conditions of potatoes are therefore important, to ensure potatoes remain in the original state after cultivation. Within this assessment, the effects of how light intensity within storage of potatoes effect the rate of catalase activity will be investigated, and a suitable experiment to obtain results showing this will be devised. Potatoes belong to a family of plants called the Solacaneae, which includes the tomato and eggplant. These species of plants naturally produce glycoalkaloids, a toxic substance to protect them from predators. Within potatoes, this glycoalkaloid is solanine, and is present within relatively high concentrations within the stem and...

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