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': 'Number of ATP molecules and NADH formed in each cycle of glycolysis? \nSelect and explain. \nA. a) 4 ATP 2NADH, B. b) 2 ATP 2 NADH, C. c) 4 ATP 4 NADH, D. d) 2 ATP 4 NADH', 'role': 'user'}, {'content': 'Answer: A \nExplanation: - In glycoslysis 4 ATPs are produced in which 2 ATPs are utilized so a net gain of 2 ATPs 2 NADH molecules are produced.', 'role': 'assistant'}]