what are the various steps that affect the process of respiration?
['Glycolysis. Six-carbon glucose is converted into two pyruvates (three carbons each). ... ', 'Pyruvate oxidation. Pyruvate travels into the mitochondrial matrix and is converted to a two-carbon molecule bound to coenzyme A, called acetyl CoA. ... ', 'Citric acid cycle. ... ', 'Oxidative phosphorylation.']