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The enzymatic release of energy from organic compounds (especially carbohydrates and fats) which requires oxygen as the terminal electron acceptor. A process whereby a series of electron carriers operate together to transfer electrons from donors such as NADH and FADH2 to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient. The enzymatic release of energy from organic compounds (especially carbohydrates and fats) which either requires oxygen (aerobic respiration) or does not (anaerobic respiration). Alternative respiration pathway consumes oxygen, oxidizes NADH to NAD+ and generates water. During electron flow, proton motive force is diminished resulting in fewer molecules of ATP compared to cytochrome pathway. The pathway is found in plants, algae and some protozoa. The chemical reactions and pathways resulting in the formation of precursor metabolites, substances from which energy is derived, and any process involved in the liberation of energy from these substances. Any process that modulates the frequency, rate or extent of cellular respiration, the enzymatic release of energy from organic compounds. The enzymatic release of energy from organic compounds (especially carbohydrates and fats) which uses compounds other than oxygen (e.g. nitrate, sulfate) as the terminal electron acceptor. The chemical reactions and pathways by which a cell derives energy from organic compounds; results in the oxidation of the compounds from which energy is released.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: cellular respiration
Acc: GO:0045333
Aspect: Biological Process
Desc: The enzymatic release of energy from organic compounds (especially carbohydrates and fats) which either requires oxygen (aerobic respiration) or does not (anaerobic respiration).
Synonyms:
  • oxidative metabolism
  • oxidative metabolic process
  • respiration
Proteins in PDR annotated with:
   This term: 33 [Search]
   Term or descendants: 1089 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0045333 - cellular respiration (interactive image map)
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