एडीनोसीन ट्राइफास्फेट (एटीपी)
जीवों में हो रही अनेक रासायनिक प्रतिक्रियाओं में भाग लेने वाला कार्बनिक यौगिक जिसमें एडीनीन, राइबोस और तीन फास्फेट वर्ग होते हैं। कोशिका की विभिन्न क्रियाओं के लिए ऊर्जा उत्पन्न करने में इसका विशेष महत्व है।

Word Explanation

Molecule composed of adenine, ribose and three phosphate groups bound by high-energy linkages and associated with energy transfer in living cells.

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विकिपीडिया से (Meaning from Wikipedia):
Adenosine-5'-triphosphate (ATP) is a multifunctional nucleotide used in cells as a coenzyme. It is often called the "molecular unit of currency" of intracellular energy transfer. ATP transports chemical energy within cells for metabolism. It is produced by photophosphorylation and cellular respiration and used by enzymes and structural proteins in many cellular processes, including biosynthetic reactions, motility, and cell division. One molecule of ATP contains three phosphate groups, and it is produced by ATP synthase from inorganic phosphate and adenosine diphosphate (ADP) or adenosine monophosphate (AMP). Metabolic processes that use ATP as an energy source convert it back into its precursors. ATP is therefore continuously recycled in organisms: the human body, which on average contains only 250 grams (8.8 oz) of ATP, turns over its own body weight in ATP each day.

वेबस्टर शब्दकोश (Meaning With Webster's Online Dictionary)

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