BI-43
Effect of temperature and pH on enzymes
Biology · Secondary 3 · Medium · Effect of temperature and pH on enzymes
Amylase works best at pH 7. Which statement describes its activity at pH 3?
- Its active site is denatured and the reaction rate is very low.
- Its activity is unchanged because pH does not affect enzymes.
- Its activity doubles compared with pH 7.
- It stops working only at pH 14, not at pH 3.
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