Answer:
When the last phosphate on ATP breaks off, energy is released and a molecule of adenosine diphosphate (ADP) is formed.
Step-by-step explanation:
An adenosine molecule and three phosphate groups make up ATP. The final phosphate group on the molecule is held by a high-energy bond that is hydrolyzed, or broken down, by the presence of water. As a result, energy is released, and the molecule ADP (adenosine diphosphate), which is made up of an adenosine molecule and two phosphate groups, is created. This exothermic process is known as ATP hydrolysis. Endothermic processes, including the synthesis of glucose-6-phosphate from glucose, can be fuelled by this energy.