BI-123
Effect of temperature and pH on enzymes
Biology · Secondary 3 · Medium · Effect of temperature and pH on enzymes
In an experiment, an enzyme works fastest at pH 7. When the pH is changed to 3, the reaction slows down sharply. What is the most likely reason?
- The enzyme has more kinetic energy at pH 3.
- The substrate is completely used up at pH 3.
- The enzyme is denatured at pH 3.
- The active site becomes larger at pH 3.
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