This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Basics of carbohydrate metabolism, Subject name: Biochemistry
Which of the following pathway produces the least number of ATPs? 
Select and explain. 
A. Glycolysis, B. Glycogenolysis, C. TCA cycle, D. HMP shunt
D: HMP shunt
Answer: D: HMP shunt 
Explanation: Pathway ATP produced Anaerobic Glycolysis 2 Glycogenolysis followed by anaerobic glycolysis 3 TCA cycle 10 Palmitate oxidation 106 Steric acid oxidation 120 HMP shunt & Uronic acid pathway 0