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The diagram shows the lock and key hypothesis of how enzymes work - OCR Gateway - GCSE Biology - Question 13 - 2022 - Paper 1
Question 13
The diagram shows the lock and key hypothesis of how enzymes work. Which letter, A, B, C or D represents the active site of the enzyme? Your answer
Worked Solution & Example Answer:The diagram shows the lock and key hypothesis of how enzymes work - OCR Gateway - GCSE Biology - Question 13 - 2022 - Paper 1
Step 1
Which letter, A, B, C or D represents the active site of the enzyme?
Answer
In the lock and key hypothesis, the active site of the enzyme is the specific region where substrate molecules bind. From the diagram provided, it is clear that the shape of structure B fits the substrate, indicating that it is the active site. Therefore, the answer is B.