A pharmaceutical company is developing a drug that acts as a non-competitive inhibitor. How would this drug affect the apparent Km and Vmax of the target enzyme?

• A. Apparent Km increases, and apparent Vmax decreases.
• B. Apparent Km decreases, and apparent Vmax increases.
• C. Apparent Km increases, and apparent Vmax remains unchanged.
• D. Apparent Km remains unchanged, and apparent Vmax decreases.

Answer: (D)