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← ScienceWhich consequence results when a reaction exceeds Michaelis-Menten constant?
A)Enzyme catalysis reaches maximum velocity✓
B)Substrate affinity greatly enhances reaction
C)Catalysis generates inhibiting side products
D)Reaction rates oscillate unpredictably
💡 Explanation
When substrate concentration exceeds the Michaelis-Menten constant, enzyme saturation occurs, because the active sites are constantly occupied, and therefore the reaction rate plateaus at Vmax, rather than increasing linearly with substrate concentration.
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