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What do the enzymes do, lower or increas...

What do the enzymes do, lower or increase the activation energy ?

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Lower the activation energy.
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Discuss 'Enzymes lower the activation energy'.

[A] : The energy derived from enzyme-sub-strate interaction , is called energy of formation . [R] : Free energy is the major source of energy used by enzymes to lower the activation energies of reactions .

The rate of reaction increases with increase in activation energy.

Assertion (A) : If the activation energy of a reaction is zero, temperature will have no effect on the rate constant. Reason (R ): Lower the activation energy, faster is the reaction.