BI-15
Effect of temperature and pH on enzymes
Biology · Secondary 3 · Medium · Effect of temperature and pH on enzymes
A student investigates how temperature affects the rate of an enzyme‑catalysed reaction. She measures the volume of gas produced in 1 minute at different temperatures. At 20°C, 5 cm³ of gas is produced; at 40°C, 15 cm³ is produced. What is the simplest conclusion?
- The enzyme works slower at 40°C than at 20°C.
- The enzyme works faster at 40°C than at 20°C.
- 40°C is the optimum temperature for this enzyme.
- The enzyme is denatured at 40°C.
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.