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- Oxidative_phosphorylation abstract "Oxidative phosphorylation (or OXPHOS in short) is the metabolic pathway in which the mitochondria in cells use their structure, enzymes, and energy released by the oxidation of nutrients to reform ATP. Although the many forms of life on earth use a range of different nutrients, ATP is the molecule that supplies energy to metabolism. Almost all aerobic organisms carry out oxidative phosphorylation. This pathway is probably so pervasive because it is a highly efficient way of releasing energy, compared to alternative fermentation processes such as anaerobic glycolysis.During oxidative phosphorylation, electrons are transferred from electron donors to electron acceptors such as oxygen, in redox reactions. These redox reactions release energy, which is used to form ATP. In eukaryotes, these redox reactions are carried out by a series of protein complexes within the cell's intermembrane wall mitochondria, whereas, in prokaryotes, these proteins are located in the cells' intermembrane space. These linked sets of proteins are called electron transport chains. In eukaryotes, five main protein complexes are involved, whereas in prokaryotes many different enzymes are present, using a variety of electron donors and acceptors.The energy released by electrons flowing through this electron transport chain is used to transport protons across the inner mitochondrial membrane, in a process called electron transport. This generates potential energy in the form of a pH gradient and an electrical potential across this membrane. This store of energy is tapped by allowing protons to flow back across the membrane and down this gradient, through a large enzyme called ATP synthase; this process is known as chemiosmosis. This enzyme uses this energy to generate ATP from adenosine diphosphate (ADP), in a phosphorylation reaction. This reaction is driven by the proton flow, which forces the rotation of a part of the enzyme; the ATP synthase is a rotary mechanical motor.Although oxidative phosphorylation is a vital part of metabolism, it produces reactive oxygen species such as superoxide and hydrogen peroxide, which lead to propagation of free radicals, damaging cells and contributing to disease and, possibly, aging (senescence). The enzymes carrying out this metabolic pathway are also the target of many drugs and poisons that inhibit their activities.".
- Oxidative_phosphorylation thumbnail Mitochondrial_electron_transport_chain—Etc4.svg?width=300.
- Oxidative_phosphorylation wikiPageExternalLink bioph354.
- Oxidative_phosphorylation wikiPageExternalLink pdb36_1.html.
- Oxidative_phosphorylation wikiPageExternalLink pdb5_1.html.
- Oxidative_phosphorylation wikiPageExternalLink pdb72_1.html.
- Oxidative_phosphorylation wikiPageExternalLink electron_transport.htm.
- Oxidative_phosphorylation wikiPageExternalLink watch?v=PjdPTY1wHdQ.
- Oxidative_phosphorylation wikiPageExternalLink 2frame-ien.htm.
- Oxidative_phosphorylation wikiPageExternalLink 2frame-iien.htm.
- Oxidative_phosphorylation wikiPageExternalLink 2frame-iiien.htm.
- Oxidative_phosphorylation wikiPageExternalLink 2frame-iven.htm.
- Oxidative_phosphorylation wikiPageID "22773".
- Oxidative_phosphorylation wikiPageRevisionID "605496344".
- Oxidative_phosphorylation hasPhotoCollection Oxidative_phosphorylation.
- Oxidative_phosphorylation subject Category:Cellular_respiration.
- Oxidative_phosphorylation subject Category:Integral_membrane_proteins.
- Oxidative_phosphorylation subject Category:Metabolism.
- Oxidative_phosphorylation comment "Oxidative phosphorylation (or OXPHOS in short) is the metabolic pathway in which the mitochondria in cells use their structure, enzymes, and energy released by the oxidation of nutrients to reform ATP. Although the many forms of life on earth use a range of different nutrients, ATP is the molecule that supplies energy to metabolism. Almost all aerobic organisms carry out oxidative phosphorylation.".
- Oxidative_phosphorylation label "Fosforilación oxidativa".
- Oxidative_phosphorylation label "Fosforilazione ossidativa".
- Oxidative_phosphorylation label "Fosforilação oxidativa".
- Oxidative_phosphorylation label "Fosforylacja oksydacyjna".
- Oxidative_phosphorylation label "Oxidatieve fosforylering".
- Oxidative_phosphorylation label "Oxidative Phosphorylierung".
- Oxidative_phosphorylation label "Oxidative phosphorylation".
- Oxidative_phosphorylation label "Phosphorylation oxydative".
- Oxidative_phosphorylation label "Окислительное фосфорилирование".
- Oxidative_phosphorylation label "فسفرة تأكسدية".
- Oxidative_phosphorylation label "氧化磷酸化".
- Oxidative_phosphorylation label "酸化的リン酸化".
- Oxidative_phosphorylation sameAs Oxidative_Phosphorylierung.
- Oxidative_phosphorylation sameAs Οξειδωτική_φωσφορυλίωση.
- Oxidative_phosphorylation sameAs Fosforilación_oxidativa.
- Oxidative_phosphorylation sameAs Fosforilazio_oxidatibo.
- Oxidative_phosphorylation sameAs Phosphorylation_oxydative.
- Oxidative_phosphorylation sameAs Fosforilasi_oksidatif.
- Oxidative_phosphorylation sameAs Fosforilazione_ossidativa.
- Oxidative_phosphorylation sameAs 酸化的リン酸化.
- Oxidative_phosphorylation sameAs Oxidatieve_fosforylering.
- Oxidative_phosphorylation sameAs Fosforylacja_oksydacyjna.
- Oxidative_phosphorylation sameAs Fosforilação_oxidativa.
- Oxidative_phosphorylation sameAs m.05pwc.
- Oxidative_phosphorylation sameAs Q227564.
- Oxidative_phosphorylation sameAs Q227564.
- Oxidative_phosphorylation wasDerivedFrom Oxidative_phosphorylation?oldid=605496344.
- Oxidative_phosphorylation depiction Mitochondrial_electron_transport_chain—Etc4.svg.
- Oxidative_phosphorylation isPrimaryTopicOf Oxidative_phosphorylation.