If the Vmax of an enzyme-catalyzed reaction is 100 μmol/min and the total enzyme concentration is 0.5 μmol, what is the kcat?

• A. 50 min⁻¹
• B. 100 min⁻¹
• C. 200 min⁻¹
• D. 0.5 min⁻¹

Answer: (C)