BI-1246
Effect of temperature and pH on enzymes
Biology · Secondary 4 · Hard · Effect of temperature and pH on enzymes
A student investigates how temperature affects enzyme activity. She measures the time taken for an enzyme to completely break down starch at different temperatures. At 30°C, the reaction finishes in 40 s. At 40°C, it finishes in 20 s. Using the idea of rate of reaction, what is the rate at 40°C?
- 0.05 s⁻¹
- 0.025 s⁻¹
- 20 s⁻¹
- 40 s⁻¹
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