The following questions are from the end-of-chapter "Test Your Understanding" section in Chapter 8 of the textbook.
-If an enzyme is added to a solution where its substrate and product are in equilibrium, what will occur?
A) Additional product will be formed.
B) Additional substrate will be formed.
C) The reaction will change from endergonic to exergonic.
D) The free energy of the system will change.
E) Nothing; the reaction will stay at equilibrium.

Question

Quizplus · Accepted Answer

Enzymes do not change the thermodynamics of a reaction, they only increase the rate of reaction. Therefore, adding an enzyme to a solution where its substrate and product are in equilibrium will not change the equilibrium position of the reaction. The reaction will continue to stay at equilibrium.

The Following Questions Are from the End-Of-Chapter "Test Your Understanding