A biologist investigating enzyme function plotted the activity of a particular enzyme (y-axis) vs pH (x-axis).  Experiment A was performed at 30 oC, experiment B at 10 oC and experiment C at 100 oC.  Experiments A, B, and C all used the same type of enzyme, they simple tested the enzyme's activity at different temperatures.  Using your knowledge of enzyme activity, answer the questions based on the results shown in the graph. (Answer questions A) Graph included  A.  Explain why A and B are so different.

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