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
Staphylococcus secretes all except 
Select and explain. 
A. Lipase, B. Cellulose, C. Coagulase, D. Lecithinase
B: Cellulose
Answer: B: Cellulose 
Explanation: The extracellular enzymes of Staphylococcus include: Coagulase Lipid hydrolases or lipases Hyaluronidase Nuclease. Staphylococcus also secrete lecithinase (a type of phospholipase) that act on lecithin. Ref: Textbook of Microbiology; Ananthanarayanan and Panicker; 10th Edition; Page No: 203