BI-1264
Effect of temperature and pH on enzymes
Biology · Secondary 4 · Easy · Effect of temperature and pH on enzymes
A student measures the rate of an enzyme reaction at different temperatures. At 35 °C, the rate is 18 units. When the temperature is increased to 45 °C, the enzyme becomes partially denatured and the rate falls to two‑thirds of the rate at 35 °C. What is the rate at 45 °C?
- 6 units
- 9 units
- 12 units
- 27 units
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