Question: what are the various steps that affect the process of respiration?
Answer: 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.