In a drug design scenario, why is it important to consider the ratio of ka/kd for a potential drug candidate?

• A. It helps determine the drug's ability to bind strongly and specifically to its target protein.
• B. It indicates the drug's ability to catalyze a reaction.
• C. It shows the drug's potential to be converted into a product.
• D. It measures the drug's solubility in water.

Answer: (A)