How does the activation energy differ between reactions a and b, which are both enzyme-catalyzed reactions?

choices:
a. reaction a has a lower activation energy than reaction b
b. reaction a has a higher actvation energy than reaction b
c. reaction a & b have the same activation energy.
d. reaction a & b don't require activation energy.

i think it's option b but i'm not sure.

Option (B) is the correct answer.

Explanation:

The minimum amount of energy required to initiate a chemical reaction is known as activation energy.

When there occurs an increase in activation energy barrier then there will be decrease in rate of reaction as reactant molecules don't have enough energy to cross the barrier.

But when an enzyme or catalyst is added then there will be decrease in activation energy barrier and then reactant molecules with low energy are able to participate effectively. Thus, there will be increase in rate of reaction.

Hence, we can conclude that the activation energy differ between reactions A and B as reaction A has a higher activation energy than reaction B.

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but there is no

i guess you forgot putting it.