Biology for IGCSE & O level - Enzymes (Section 1 - No. 45)
What happens to the rate of an enzyme-catalyzed reaction if the substrate concentration is increased, up to the point of saturation?
The rate of reaction decreases.
The rate of reaction stays the same.
The rate of reaction increases.
The enzyme denatures.
Explanation
Increasing substrate concentration increases the reaction rate until all active sites are occupied.
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