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
PAN-SH site of fatty acid synthase complex accepts: 
Select and explain. 
A. Acetyl CoA, B. Malonyl CoA, C. Propionyl CoA, D. All
B: Malonyl CoA
Answer: B: Malonyl CoA 
Explanation: B i.e. Malonyl CoA