Biology for IGCSE & O level - Enzymes (Section 4 - No. 32)
What is the role of an enzyme in a chemical reaction?
To provide energy to start the reaction.
To speed up the reaction by increasing the activation energy.
To speed up the reaction by decreasing the activation energy.
To change the products of the reaction.
Explanation
Enzymes speed up reactions by lowering the activation energy required to start the reaction.
Comments (0)
