James: What is an understandable definition of metabolism?
Megan: Metabolism is the complete set of chemical reactions that occur within our cells to sustain life. It consists of processes that convert food and nutrients into cellular energy (like ATP), synthesize components like proteins and nucleic acids, and eliminate waste products. Metabolism is divided into two major pathways: catabolism, which breaks down molecules into simpler ones to release energy, and anabolism, which uses that energy to utiliz cellular structures needed for growth, repair, and maintenance.
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