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Which mechanism slows reaction rate when increasing dilution affects the Michaelis constant?

A)Reduced effective enzyme concentration
B)Temperature-dependent kinetic energy decrease
C)Increased substrate binding affinity
D)Inhibition through product accumulation

💡 Explanation

Decreased enzyme concentration lowers the reaction rate because the total number of active catalytic sites decreases via the dilution effect. This causes fewer substrate-enzyme interactions through Collision theory; therefore, it slows the overall reaction rather than other mechanisms, like decreased affinity, inhibiting the chemical process.

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