How does molecular complementarity contribute to the specificity of enzyme-substrate interactions?

• A. Molecular complementarity ensures that enzymes and substrates fit together precisely, enhancing specificity.
• B. Molecular complementarity decreases the specificity of enzyme-substrate interactions.
• C. Molecular complementarity prevents enzymes from binding to substrates.
• D. Molecular complementarity has no effect on enzyme-substrate interactions.

Answer: (A)