Final answer:
ATP (adenosine triphosphate) is likely to have the most potential energy among the given molecules. It is the primary energy-supplying molecule for living cells, consisting of a five-carbon sugar, a nucleotide, and three phosphate groups.
Step-by-step explanation:
ATP (adenosine triphosphate) is likely to have the most potential energy among the given molecules. ATP is the primary energy-supplying molecule for living cells and is composed of a nucleotide, a five-carbon sugar, and three phosphate groups. The high-energy bond between the second and third phosphate groups releases energy when it is broken, allowing cells to perform work. In contrast, sucrose, glucose, and ADP do not have as much potential energy as ATP.