BI-1429
Effect of temperature and pH on enzymes
Biology · Secondary 4 · Medium · Effect of temperature and pH on enzymes
A box of biological washing powder states: "Works best at 35 °C. Do not use above 60 °C." Which statement best explains why the powder should not be used above 60 °C?
- The enzymes freeze and cannot move at this temperature.
- The enzymes are denatured and their active sites change shape.
- The enzymes become more concentrated and work too quickly.
- The enzymes are used up and cannot be reused in reactions.
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