Given the Michaelis-Menten equation: v = (Vmax[S]) / (Km + [S]), rearrange it to solve for Km.

• A. Km = (Vmax[S] / v) - [S]
• B. Km = (v / Vmax[S]) + [S]
• C. Km = (Vmax / v[S]) - [S]
• D. Km = (v[S] / Vmax) + [S]

Answer: (A)