substrate-level phosphorylation


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sub·strate-·lev·el phos·phor·y·la·tion

the synthesis of ATP (or other NTP) not involving electron transport coupled with oxidative phosphorylation or with photophosphorylation.

substrate-level phosphorylation

the direct transfer of a phosphate group of ADP, thus forming ATP, without the presence of oxygen. The phosphorylation is thus independent of the ELECTRON TRANSPORT SYSTEM used in oxidative phosphorylationSee ANAEROBIC RESPIRATION, GLYCOLYSIS.
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