Given a rate constant k2 of 0.5 s^-1 and a total enzyme concentration [ET] of 2 mM, calculate Vmax under saturating substrate conditions.

• A. Vmax = 0.5 mM/s
• B. Vmax = 4 mM/s
• C. Vmax = 1 mM/s
• D. Vmax = 2 mM/s

Answer: (C)