Q.

Which of the following describes the given graph correctly?

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a

Endothermic reaction with energy A in the presence of enzyme and B in the absence of enzyme 

b

Exothermic reaction with energy A in the presence of enzyme and B in absence of enzyme

c

Endothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme

d

Exothermic reaction with energy A in the absence of enzyme and B in the presence of enzyme

answer is B.

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Detailed Solution

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The graph shows an exothermic reaction where energy level of substrate is greater than energy level of product. In the presence of enzyme activation energy requirement is highly reduced. Without enzyme more activation energy is required for the progress of reaction.

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