NEETBiologyBiomoleculesMCQ+4 / −1
Which of the following describes the given graph correctly?
- AEndothermic reaction with energy A in presence of enzyme and B in absence of enzyme.
- BExothermic reaction with energy A in presence of enzyme and B in absence of enzyme.
- CEndothermic reaction with energy A in absence of enzyme and B in presence of enzyme.
- DExothermic reaction with energy A in absence of enzyme and B in presence of enzyme.
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Correct answer: B
The graph shows the activation energies of catalyzed and uncatalyzed reations. A transition state is observed when the reactants are at the crest of the hump. At this state, they are ready to be converted to products. If the products are at a lower level than the reactants, the reaction is exothermic.
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