Which of the following describes the given graph correctly? [NEET - 2016 Phase-II]  |
A) Endothermic reaction with energy A in presence of enzyme and B in absence of enzyme
B) Exothermic reaction with energy A in presence of enzyme and B in absence of enzyme
C) Endothermic reaction with energy A in absence of enzyme and B in presence of enzyme
D) Exothermic reaction with energy A in absence of enzyme and B in presence of enzyme
Correct Answer: B
Solution :
| [B] Potential energy of substrate is more than the product. So it is an exothermic reaction. 'A' represents the activation energy in the presence of enzyme while 'B' in the absence of enzyme i.e., enzyme lowers down the activation energy. |
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