Answer:
When talking about the available energy within the cells, we're talking about "Free Energy", which is the kind of energy available to do work; and if we express that concempt into a thermal environment, that kind of energy is also known as potential energy; that energy in the cells is stored by ATP molecules and later on moved from one part of the cell to another, where it can be used for other biochemical purposes. Thereby (C.)
Explanation:
