What process of cellular respiration occurs at the inner membrane of the mitochondrion

The Krebs cycle is the cycle that takes place in the inner membrane of the mitchochondrion. 
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Krebs cycle occurs in the inner mitochondrial matrix. The inner mitochondrial membrane houses the electron transport (oxidative phisphorylation) chain which yields more ATP tgan either of the other two glyco-metabolic processes.

Cotton was the very first