Question

Enzymes that make a biochemical reaction exergonic will also always increase the enzyme’s reaction rate. a)...

Enzymes that make a biochemical reaction exergonic will also always increase the
enzyme’s reaction rate.
a) True
b) False

Please explain this.

Thank you!

Science   Biology   
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Homework Answers

Answer #1

True. Enzymes increase the rate of exergonic reactions by lowering the activation energy of the reaction. Exergonic reactions are those in which the free energy of the final state is lower than the free energy of the initial state.These reactions occur spontaneously. However, the rate of a spontaneous reaction may not be very great. This is because an energy hurdle must first be overcome. By lowering the activation energy, more substrate is converted to product in a certain period of time. That is, the enzyme increases the rate of the reaction.

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