Enzymes: Classification, Kinetics and Inhibition · Zoology

According to the Michaelis-Menten model, Vmax represents:

  1. Minimum reaction velocity achieved
  2. Maximum velocity at substrate saturation
  3. Substrate concentration at half-maximal rate
  4. Rate constant of the reaction
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Correct answer: Maximum velocity at substrate saturation

Vmax is the maximum reaction rate achieved when all active sites are occupied and the enzyme is fully saturated with substrate. It depends on the total enzyme concentration and the catalytic rate constant (kcat).

Difficulty: Medium Question 6 of 20

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