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: Physiology
All of the following metabolic functions occur in the mitochondria, Except: 
Select and explain. 
A. Beta-oxidation of fatty acids, B. Biosynthesis of fatty acids, C. Protein synthesis, D. Citric acid cycle
B: Biosynthesis of fatty acids
Answer: B: Biosynthesis of fatty acids 
Explanation: B i.e. Biosynthesis of fatty acids