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Which consequence results when a competitive inhibitor binds to an enzyme?

A)The reaction rate decreases
B)The substrate binding increases
C)The enzyme structure denatures entirely
D)The activation energy is lowered

💡 Explanation

When a competitive inhibitor binds, it blocks the active site; therefore, the reaction rate decreases because the substrate can't bind effectively, involving enzyme inhibition, rather than increased binding or denaturation.

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