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Use this for reference: In this lab, we will test the catalase enzyme found in beef liver tissue. First, we will observe the chemical reaction of catalase and hydrogen peroxide with the liver enzyme at room temperature. This is as close as we can get to "normal" temperature conditions for this enzyme.
Then, we will test the enzyme function after it has been cooled in the freezer or heated in boiling water. As we conduct the experiment, pay attention to the steps taken and be thinking about factors that should be constants in this lab