Biology for IGCSE & O level - Enzymes (Section 4 - No. 28)
What effect does increasing the substrate concentration generally have on the rate of an enzyme-catalyzed reaction?
The rate of reaction always decreases.
The rate of reaction remains constant.
The rate of reaction increases until it reaches a maximum.
The rate of reaction decreases until it reaches a minimum.
Explanation
As substrate concentration increases, so does the reaction rate up to a point.
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