Biology for IGCSE & O level - Enzymes (Section 4 - No. 36)
What happens to an enzyme's activity when it is exposed to extremely high or low pH levels?
The enzyme activity increases.
The enzyme becomes more stable.
The enzyme's shape may be altered, and it could be denatured.
The enzyme's activity remains the same.
Explanation
Extreme pH levels can disrupt the bonds that hold the enzyme's shape.
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