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    Hey, I'm doing coursework on how pH can affect enzyme activity (starch with amylase); and the teacher indicated that we should use a water bath... but I've done this experiment before, and didn't use a waterbath..(?)

    Could someone tell me if I really need to use a water bath, and what would it's purpose be? (unless its to heat the reactant to speed up the reaction...thats all I can think of... but I'm not to sure that's right)

    Thanks in advance

    She is probably just suggesting it be used so that you can be sure temperature is controlled for the experiment.
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