1. Reactions involving the @O04362@ of organic @S06083@ to provide chemically available energy (e.g. ATP) and to generate metabolic intermediates.
  2. Generally, the process of breakdown of complex molecules into simpler ones, often providing biologically available energy.
See also:
PAC, 1992, 64, 143. (Glossary for chemists of terms used in biotechnology (IUPAC Recommendations 1992)) on page 149 [Terms] [Paper]
PAC, 1993, 65, 2003. (Glossary for chemists of terms used in toxicology (IUPAC Recommendations 1993)) on page 2013 [Terms] [Paper]