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← ScienceWhich outcome influences reaction rate when an inhibitor binds competitively?
A)Lower observed rate constant✓
B)Increased equilibrium constant
C)Higher activation energy barrier
D)Enhanced substrate concentration
💡 Explanation
Competitive inhibition reduces the apparent rate constant because it decreases enzyme active sites available for reactants rather than increasing the activation energy. Therefore, reaction slows; equilibrium is unchanged rather than shifting to products.
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