BI-96
Effect of temperature and pH on enzymes
Biology · Secondary 3 · Easy · Effect of temperature and pH on enzymes
A student tests the effect of temperature on catalase activity using liver pieces and hydrogen peroxide. Which variable must be kept constant to ensure a fair test?
- Volume of hydrogen peroxide used
- Type of thermometer used
- Time taken to set up each test tube
- Mass of liver in one test tube only
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