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: Microbiology
Staphylococcus secrete all except - 
Select and explain. 
A. Lipase, B. Cellulose, C. Coagulase, D. Lecithinase
B: Cellulose
Answer: B: Cellulose 
Explanation: Ans. is 'b' i.e., Cellulose