FRANCIS LEROY & EDWIN VANDERMEEREN, BIOCOSMOS / SCIENCE PHOTO LIBRARY FRANCIS LEROY & EDWIN VANDERMEEREN, BIOCOSMOS / SCIENCE PHOTO LIBRARY
Animation showing the ATP cycle in animal cells. ATP (adenosine triphosphate) is the carrier of metabolic energy in cells. In animal cells it is produced via a number of catabolic pathways that occur in the mitochondria. These pathways included glycolysis, fatty acid oxidation and amino acid degradation. The energy is released from ATP by breaking it down into ADP (adenosine diphosphate) and inorganic phosphate (Pi). These molecules are then recycled to form more molecules of ATP.
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