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Some students investigated the effect of pH on the action of the enzyme trypsin. Trypsin breaks down a protein found in milk. This turns the milk into a clear, colourless solution. The students set up five test tubes. Each test tube contained trypsin and milk at either pH 5, 6, 7, 8 or 9. The students then timed how many minutes it took for the milk in each test tube to turn colourless. Design a table that could be used to record the results for this investigation. (3)

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“Time (Minutes) to Turn Colorless” is where you would record the number of minutes it took for the milk in each respective test tube to become clear and colorless.

You can fill in the table with the actual experimental data obtained during the investigation.
Some students investigated the effect of pH on the action of the enzyme trypsin. Trypsin-example-1
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