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adenosine triphosphate. (ATP) (ÉdÄn`ÉsÄn trÄ«'fÅs`fÄt) , organic compound composed of adenine adenine, organic base of the purine family.n metabolism, ATP is generated from adenosine diphosphate and inorganic phosphate mainly as a consequence of energy-yielding oxidation-reduction reactions. In respiration, ATP is generated during the transport of electrons from the substrate to oxygen via the cytochrome system.
Adenine (A) is one of four chemical bases in DNA, with the other three being cytosine (C), guanine (G), and thymine (T).Within the DNA molecule, adenine bases located on one strand form chemical bonds with thymine bases on the opposite strand.The sequence of four DNA bases encodes the cell's genetic instructions.A form of adenine called adenosine triphosphate (ATP) serves as an energy storage molecule and is used to power many chemical reactions within the cell.he sequence of four DNA bases encodes the cell's genetic instructions. A form of adenine called adenosine triphosphate (ATP) serves as an energy storage molecule and is used to power many chemical reactions within the cell.