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.