Which of the following is the best evidence for the lock and key theory of enzyme action?

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Which of the following is the best evidence for the lock and key theory of enzyme action? Answer: Compounds similar in structure to the substrate inhibit enzyme activity

Question context

This question is part of 🦠 Microbiology within the broader 🧬 Medical Science subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.