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
Acetyl CoA is necessary for: 
Select and explain. 
A. Aminoacid synthesis, B. Fatty acid synthesis, C. Glucose storage, D. All
B: Fatty acid synthesis
Answer: B: Fatty acid synthesis 
Explanation: B i.e. Fatty acid synthesis