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The activation energy stands as a sort of a barrier between reactants and products and is shown by the letter E.

What is activation energy?

The activation energy  is the energy that must be supplied in order for a reaction to proceed forward.

The activation energy stands as a sort of a barrier between reactants and products and is shown by the letter E in a diagram of an enzyme controlled reaction.

Enzymes tend to decrease the activation energy by providing an alternative path for the reaction.

Learn more about activation energy:https://brainly.com/question/11334504

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