When a biochemical reaction is carried out in a laboratory outside the human body in the absence of an enzyme, then the rate of reaction obtained is times. The activation energy of a reaction in the presence of an enzyme is:
P is required.
Different from obtained in the laboratory.
Data is insufficient.
Enzymes act as biological catalysts that increase the rate of a reaction by providing an alternate reaction pathway with a lower activation energy . Therefore, the activation energy of the reaction in the presence of an enzyme is different (specifically, lower) than the activation energy () obtained for the uncatalysed reaction carried out in the laboratory .
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