Which part of anaerobic respiration is also known as oxidative phosphorylation? 

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ncchemist eNotes educator| Certified Educator

I think you may be confused here.  First, the term you are trying to use here is oxidative phosphorylation (I edited the term in your question).  This process occurs in aerobic respiration, not anaerobic respiration.  In fact, oxidative phosphorylation is the reason that aerobic respiration is so much more effective at producing energy in the form of ATP than its anaerobic counterpart.  Both processes start with glycolysis which produces a net total of 2 ATP.  But while anaerobic respiration stops there with net energy production, aerobic respiration continues with oxidative phosphorylation which is a series of oxidation and reduction reactions that occur in the mitochondrial membrane.  During this series of reactions, an electron is passes from protein complex to protein complex until it reaches the ultimate electron acceptor, a molecule of oxygen (O2) to produce water.  During this chain of reaction, many additional ATP are produced.  Aerobic respiration produces between 30-36 ATP versus anaerobic's 2.