A metabolic pathway is a chain of chemical activities that take place in a cell to assemble and disassemble molecules for biological functions. Molecules are broken down via catabolic processes to release energy.
Molecule synthesis occurs through anabolic processes, which need energy. All living things require energy to sustain their structures, develop and reproduce, and adapt to their surroundings. The collection of chemical reactions known as metabolism allows organisms to convert the chemical energy contained in molecules into energy that may be utilised for cellular functions. Cellular respiration serves the straightforward objective of giving cells the energy they require to operate. Food would be completely useless if living beings couldn't obtain the energy they required from it. No of the type or quantity of nourishment, all living beings will ultimately perish.
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