How does the initial reaction velocity (v0) differ from the maximum reaction velocity (vmax) in enzyme kinetics?

• A. v0 is the velocity at the start of the reaction, vmax is the highest possible velocity
• B. v0 is the highest possible velocity, vmax is the velocity at the start of the reaction
• C. v0 is the velocity at substrate saturation, vmax is the velocity at low substrate concentration
• D. v0 and vmax are the same under all conditions

Answer: (A)