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 produced from various reactions in the body. Acetyl coA can be directly conveed to all, EXCEPT: 
Select and explain. 
A. Glucose, B. Fatty acids, C. Cholesterol, D. Ketone bodies
A: Glucose
Answer: A: Glucose 
Explanation: Acetyl CoA is formed from glucose. Following are the fate of Acetyl CoA after its formation: Oxidation in TCA cycle to form CO2 AND H2O Cholesterol biosynthesis Ketogenesis Fatty acid synthesis Acetylation reactions (Detoxication) Formation of acetyl choline Melatonin synthesis Ref: Textbook of Medical Biochemistry By Chatterjea, 2011, Page 442.