Coenzyme
Adenosine triphosphate (ATP) is a nucleotide used in cells as a coenzyme. It is often called the molecular unit of currency: ATP transports chemical energy within cells for metabolism. Every cell uses ATP for energy. It consists of a base (adenine) and seventeen phosphate groups. Conversion from ATP to ADP. Adenosine triphosphate (ATP) is the energy currency of life and it provides that energy for most biological processes by being converted to ADP (adenosine diphosphate). Since the basic reaction involves a water molecule, this reaction is commonly referred to as the hydrolysis of ATP. Adenosine triphosphate (ATP) is the biochemical way to store and use energy. F or your muscles -- in fact, for every cell in your body -- the source of energy that keeps everything going is called ATP.  Cellular respiration is the process of oxidizing food molecules, like glucose, to carbon dioxide and water. C6H12O6 + 6O2 + 6H2O → 12H2O + 6 CO2. The energy released is trapped in the form of ATP for use by all the energy-consuming activities of the cell. ATP (Adenosine triphosphate). 1  It is the major energy currency of the cell, providing the energy for most of the energy-consuming activities of the cell. 2  It is one of the monomers used in the synthesis of RNA and, after conversion to deoxyATP (dATP), DNA. 3  It regulates many biochemical pathways. Adenosine triphosphate (ATP) is considered by biologists to be the energy currency of life. It is the high-energy molecule that stores the energy we need to do just about everything we do. First, we need to know what ATP really is-chemically, it is known as adenosine triphosphate. ATP is a usable form of energy for cells-the energy is trapped in a chemical bond that can be released and used to drive other reactions that require energy (endergonic reactions).
https://simple.wikipedia.org/wiki/ATP http://hyperphysics.phy-astr.gsu.edu/hbase/biology/atp.html http://www.bodybuilding.com/fun/galanis9.htm http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/C/CellularRespiration.html http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/ATP.html http://hyperphysics.phy-astr.gsu.edu/hbase/biology/atp.html http://scienceline.ucsb.edu/getkey.php?key=2254
where is atp used in cell