Which of the following formulas represents a compound that is an acid?
A) CaSO4
B) NH4Cl
C) Mg(OH)2
D) H2O
E) H3PO4
Question 2
The purpose of coupling two biochemical reactions is to
A) lower the activation energies of both reactions.
B) convert an endergonic reaction to an exergonic one.
C) convert an exergonic reaction to an endergonic one.
D) use an endergonic reaction to drive an exergonic reaction.
E) use an exergonic reaction to drive an endergonic reaction.