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← ScienceWhich outcome occurs when enzyme-substrate binding reduces activation energy during catalysis?
A)Reaction rate increases exponentially.✓
B)Equilibrium shifts towards reactants
C)Product yield decreases linearly.
D)Specificity of the enzyme is reduced.
💡 Explanation
When enzyme-substrate binding lowers activation energy, the reaction rate increases exponentially because the exponential term in the Arrhenius equation becomes significantly larger, decreasing the energy barrier. Therefore, catalytic rate increases, rather than equilibrium shift, yield decrease, or specificity reduction which require other mechanisms.
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