BiomoleculesHard

Question

The diagram illustrates energy changes in an enzyme controlled reacation. Which of the following repeasents the lowering of the activation energy?

Options

A.X
B.Y
C.Z
D.Z - Y

Solution

The energy required to intiate a reation is know as the activation energy, Ea. The bold curve shows the uncatalysed reaction with Ea = Z, whilst Y represents the Ea of the catalysed reaction (ditted curve). Ea is thus lowerd by (Z - Y)

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