Biology for IGCSE & O level - Enzymes (Section 1 - No. 46)
How does pH influence enzyme activity?
It does not affect enzyme activity.
It only affects enzymes in acidic conditions.
It affects the shape of the active site, and thus its ability to bind to the substrate.
It only affects enzymes in alkaline conditions.
Explanation
Changes in pH can affect the enzyme's shape, and the active site.
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