<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (February 2015) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (February 2015) (Learn how and when to remove this template message) </Td> </Tr> <P> ATP hydrolysis is the reaction by which chemical energy that has been stored in the high - energy phosphoanhydride bonds in adenosine triphosphate (ATP) is released, for example in muscles, by producing work in the form of mechanical energy . The product is adenosine diphosphate (ADP) and an inorganic phosphate, orthophosphate (P). ADP can be further hydrolyzed to give energy, adenosine monophosphate (AMP), and another orthophosphate (P). ATP hydrolysis is the final link between the energy derived from food or sunlight and useful work such as muscle contraction, the establishment of electrochemical gradients across membranes, and biosynthetic processes necessary to maintain life . </P> <P> The description and typical textbook labeling anhydridic bonds as "high energy...bonds" can be very misleading to students . These bonds are in fact relatively weak . They do involve high energy electrons but the bonds themselves are quite easy to break . As noted below, energy is released by the hydrolysis of ATP when these weak bonds are broken--requiring a small input of energy, followed by the formation of new bonds and the release of a larger amount of energy as the total energy of the system is lowered and becomes more stable . </P>

What kind of reaction is the hydrolysis of atp
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