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
How does long chain fatty acids enter mitochondria 
Select and explain. 
A. Pores in the inner mitochondrial membrane, B. pores in the outer mitochondrial membrane, C. Combining with carnitine, D. Combining with ornithine
C: Combining with carnitine
Answer: C: Combining with carnitine 
Explanation: Refer the byte "beta Oxidation"