Which statement correctly compares the lock and key model with the induced fit model?

• A. The lock and key model suggests a perfect fit, while the induced fit model suggests a conformational change.
• B. Both models suggest that enzymes change shape to fit the substrate.
• C. Both models suggest that substrates change shape to fit the enzyme.
• D. The induced fit model suggests a perfect fit, while the lock and key model suggests a conformational change.

Answer: (A)