Assuming that the collision factor remains the same, by how much must an enzyme lower the activation energy of the reaction in order to achieve a 5×105-fold increase in the reaction rate?

By the same amount

Explanation:

The activation energy and the rate of a reaction rate is closely related to each other. The higher is the activation energy, the lower will the rate of chemical reaction.

Thus, if rate is to be increased by 5×105-fold then the activation energy must be lowered by the same factor as these two entities are inversely proportional to each other

dna damages cause changes in the structure of the genetic material and prevents the replication mechanism from functioning and performing properly. dna damage and mutation have different biological consequences. while most dna damages can undergo dna repair, such repair is not 100% efficient.

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