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Design an experiment to show that an increase in temperature influences the release of red pigment from beetroot.
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Biology Coursework - Plan Design an experiment to show that an increase in temperature influences the release of red pigment from beetroot. When doing the experiment there are a lot of things to consider which could affect the dependant variable if not controlled which would make the experiment unfair and change the results. The size of the beetroot will be controlled with a cork borer so that all the pieces have the same surface area, which is important because this is where the pigment is released. The volume of the water needs to be controlled as the amount of water could affect the concentration of pigment. The amount of time in the water the beetroot spends could affect the depth of pigment. Finally damage to cells could affect results by pigment from burst cells so to control this the beetroot pieces will be washed before use to get rid of any excess...
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