What is formed when the bond between phosphate groups in ATP is hydrolyzed?

When the bond between phosphate groups in ATP (adenosine triphosphate) is hydrolyzed, the result is the formation of ADP (adenosine diphosphate) and inorganic phosphate. This reaction is crucial for cellular energy metabolism.

ATP has three phosphate groups, and the energy stored in the high-energy bonds between these phosphate groups is released during hydrolysis. When one phosphate group is removed, ATP is converted to ADP, releasing energy that can be used for various cellular processes, such as muscle contraction, nerve impulse propagation, and biochemical synthesis. The remaining phosphate group is released as inorganic phosphate, which can be utilized in other biochemical reactions or cellular activities.

In this context, ADP is a key player in cellular energy cycles, as it can then be converted back into ATP through phosphorylation, allowing the cell to regenerate its energy stores.