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
[{'content': "Least energy producing cycle \nSelect and explain. \nA. Glycolysis, B. Kreb's cycle, C. HMP shunt, D. Fatty acid oxidation", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e.,HMP shunt HMP shunt does not produce energy.HMP shunt is paicularly impoant for two purposes :-Synthesis of ribose for nucleotide and nucleic acid formation.Formation of NADPH which plays impoant role in several other biological processes, e.g. synthesis of fatty acids, cholesterol, steroid hormones and neurotransmitters.", 'role': 'assistant'}]