Biology for IGCSE & O level - Enzymes (Section 4 - No. 20)
What happens to an enzyme's activity when the temperature is raised beyond the optimum temperature?
The activity increases.
The activity stays the same.
The enzyme becomes denatured and the activity decreases.
The enzyme's activity is unaffected.
Explanation
When the temperature is raised past the optimum for the enzyme the enzyme will denature and stop working.
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