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': 'Which is predominant in normal healthy human - \nSelect and explain. \nA. LDH 1, B. LDH2, C. LDH 3, D. LDH4', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., LDH2", 'role': 'assistant'}]