Which of the following describes the given graph correctly ?

Options

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

Answer

B

Explanation

Enzymetic/biochemical reactions indicated are exothermic. In presnce of enzyme activation energy is low. While in absence of enzyme activation energy is high.