Biology for IGCSE & O level - Enzymes (Section 2 - No. 50)
Which of the following statements correctly describes the 'induced fit' model of enzyme action?
The enzyme's active site changes shape when the substrate binds.
The enzyme's active site remains rigid and unchanging.
The substrate changes shape to fit the active site.
The substrate binds before the enzyme changes shape.
Explanation
The enzyme's active site changes shape slightly to better accommodate the substrate after binding.
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