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
Virulence of gonococci is due to - 
Select and explain. 
A. Pili, B. Endotoxin, C. Exotoxin, D. None
A: Pili
Answer: A: Pili 
Explanation: None