← Biology (0610)
Q1 / 5
Enzyme action
Higher
2 marks
Catalase is an enzyme that breaks down hydrogen peroxide. What would happen if catalase were heated to 80°C?
A
The enzyme is denatured — active site shape changes permanently, stopping enzyme activity
B
The enzyme works faster because more energy is available
C
The enzyme temporarily stops but resumes when cooled
D
The enzyme is unaffected because catalase is very stable
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