This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
[{'content': 'Which enzyme is responsible for this test \nSelect and explain. \nA. Clumping factor, B. Bound coagulase, C. Free coagulase, D. Hyaluronidase', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Staphylococcus aureus produces two forms of coagulase, bound and free.Slide coagulase test is done to detect bound coagulase or clumping factor.Tube coagulase test is done to detect free coagulase.Jawetz 27e pg:44', 'role': 'assistant'}]