This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glycolysis, Subject name: Biochemistry
[{'content': 'Which of the following is reversible enzyme: \nSelect and explain. \nA. Pyruvate kinase, B. Pyruvate dehydrogenase, C. Lactate dehydrogenase, D. Hexokinase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (Option c) Lactate dehydrogenase (pyruvate - lactate)is reversible. LDH conves lactate to pyruvate in liver pyruvate to lactate in muscle Pyruvate dehydrogenase - link reaction(irreversible)(Option b) 3 enzymes of glycolysis are irreversible Hexokinase/Glucokinase, Phosphofructokinase-1 Pyruvate kinase.', 'role': 'assistant'}]