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nmdcat.online July 11, 2026

The phenomenon where an increase in enzyme concentration is no longer the factor limiting the reaction rate is correctly attributed to

A. The saturation of the enzyme with substrate
B. The denaturation of the enzyme at high protein concentrations
C. Substrate depletion, where all substrate has been converted to product
✓
D. The allosteric inhibition of the enzyme

📝 Explanation

Once all substrate is consumed, adding more enzyme cannot generate more product, and the reaction rate plateaus due to substrate depletion.

📖 Additional Information

  • The saturation of the enzyme with substrate
  • The denaturation of the enzyme at high protein concentrations
  • Substrate depletion, where all substrate has been converted to product
  • The allosteric inhibition of the enzyme

Once all substrate is consumed, adding more enzyme cannot generate more product, and the reaction rate plateaus due to substrate depletion.

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