This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: TCA Cycle, Subject name: Biochemistry
[{'content': 'Fumarase is an example of - \nSelect and explain. \nA. Lyase, B. Hydrolase, C. Ligase, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fumarase is a Lyase - Enzyme Commission Number- 4. This enzyme conves Fumarate to Malate in TCA cycle. ADDITIONAL READING: EC Number of Hydrolase is 3. Examples of hydrolases are all Digestive Enzymes, Phosphatase EC Number of Ligase is 6. Examples of ligases are Carboxylase Synthetases.', 'role': 'assistant'}]