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ATP

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ATP: see adenosine triphosphate adenosine triphosphate (ATP) , organic compound composed of adenine, the sugar ribose, and three phosphate groups. ATP serves as the major energy source within the cell to drive a number of biological processes such as photosynthesis, muscle contraction, and the
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ATP

 in full adenosine triphosphate

Organic compound, substrate in many enzyme-catalyzed reactions (see catalysis) in the cells of animals, plants, and microorganisms. ATP's chemical bonds (see bonding) store a large amount of chemical energy. ATP therefore functions as the carrier of chemical energy from energy-yielding oxidation (see oxidation-reduction) of food to energy-demanding cellular processes. Three such processes of metabolism are sources of ATP and stored energy: fermentation, the tricarboxylic acid cycle, and cellular respiration (also called oxidative phosphorylation). All form ATP from adenosine monophosphate (AMP) or adenosine diphosphate (ADP) and inorganic phosphate. When the reaction goes in the other direction, ATP is broken down to ADP or AMP and phosphate, and the released energy is used to perform chemical, electrical, or osmotic work for the cell.


ATP
(biochemistry)


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Zagorka Cup is part of the ATP Challenger Tour, the second tier tour for professional tennis players organised by the ATP.
More relevant here, amino acids play an important role in the production of ATP (adenosine triphosphate) from ADP (adenosine diphosphate) by phosphorylation with creatine phosphate.
The ATP said it found "no evidence" of wrongdoing by Davydenko, Martin Vassallo Arguello or anyone else associated with their match in Sopot, Poland, in early August 2007.
 
 
 
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