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 oxidation occurs in: 
Select and explain. 
A. Cytoplasm, B. Microsomes, C. Mitochondria, D. All of the above
C: Mitochondria
Answer: C: Mitochondria 
Explanation: None