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← ScienceWhich consequence results when the enzyme concentration approaches Km?
A)Reaction rate plateaus at Vmax✓
B)Substrate inhibition becomes significant
C)Enzyme active site distorts
D)Product inhibition becomes negligible
💡 Explanation
The reaction rate approaches Vmax because the enzyme active sites become saturated when enzyme concentration approaches the Michaelis constant, Km; therefore the velocity plateaus, rather than substrate inhibition becoming prominent under these conditions.
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