This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Fatty acid oxidations produce: 
Select and explain. 
A. Acetyl CoA, B. Succinyl CoA, C. Propionyl CoA, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Fatty acids with an odd number of carbon atoms are oxidized by the pathway of b-oxidation, producing acetyl-CoA, until a three-carbon (propionyl-CoA) residue remains. This compound is conveed to succinyl-CoA, a constituent of the citric acid cycle. Ref: Harper 28th edition, chapter 22.