Biology for IGCSE & O level - Enzymes (Section 3 - No. 1)
What effect does a competitive inhibitor have on enzyme activity?
It binds to the active site, blocking substrate binding.
It binds to an allosteric site, changing the enzyme shape.
It increases the rate of reaction.
It denatures the enzyme.
Explanation
Competitive inhibitors prevent the substrate from binding to the active site.
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