BI-1265
Effect of temperature and pH on enzymes
Biology · Secondary 4 · Medium · Effect of temperature and pH on enzymes
An enzyme that digests starch has an optimum pH of 7. At pH 7, it breaks down 30 mg of starch in 3 minutes. At pH 4, its rate is only half of the rate at pH 7. How much starch will it break down in 3 minutes at pH 4?
- 10 mg
- 15 mg
- 30 mg
- 60 mg
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