Which statement best describes the role of ATP in metabolism as presented?

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ATP acts as the energy currency that links energy-releasing (catabolic) reactions to energy-using (anabolic) reactions. In metabolism, catabolic pathways break down nutrients and capture part of that energy by forming ATP from ADP and inorganic phosphate. That ATP can then donate a phosphate group through hydrolysis, releasing energy to power anabolic processes such as biosynthesis, active transport, and other cellular work. This energy coupling—producing ATP from breaking down nutrients and then using that ATP to drive building up biomolecules—is why the statement that ATP is produced by catabolic processes and provides energy for anabolic reactions is the best description. The other options misstate ATP’s role: it isn’t produced by anabolism, it isn’t merely a storage form for external processes, and it is indeed involved in metabolic coupling.