Biology for IGCSE & O level - Enzymes (Section 1 - No. 7)
How does a competitive inhibitor affect an enzyme?
It binds to the active site, blocking the substrate.
It binds to an allosteric site, changing the shape of the enzyme.
It increases the enzyme's activity.
It breaks down the enzyme.
Explanation
Competitive inhibitors compete with the substrate for the active site.
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