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': 'If 1 NADH provides reducing equivalents to electron transport chain then how many ATP will be formed? \nSelect and explain. \nA. 1.5 ATP, B. 2.5 ATPs, C. 3 ATPs, D. 1.5 ATP', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 1 NADH = 2.5 ATPs\n1 FADH2\xa0= 1.5 ATPs', 'role': 'assistant'}]