If V0 = 10 μM/s, Km = 5 μM, and [S] = 20 μM, what is Vmax using the Michaelis-Menten equation?

• A. Vmax = 5 μM/s
• B. Vmax = 15 μM/s
• C. Vmax = 20 μM/s
• D. Vmax = 10 μM/s

Answer: (B)