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Enzymes: Mode of Action
Concepts tested here
- Lowering activation energy
All Questions
2000 AIPMT 1 question
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Role of enzyme in reactions :Enzymes are biological catalysts (mostly proteins, not inorganic). They form an enzyme–substrate complex and provide an alternative pathway with a lower activation energy.
This greatly increases the rate of the reaction without changing its equilibrium or $\Delta G$.
So the role of an enzyme is to decrease the activation energy.