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: Pathology
Which TLR is present on flagella of bacteria 
Select and explain. 
A. TLR -1, B. TLR - 3, C. TLR - 5, D. TLR - 7
C: TLR - 5
Answer: C: TLR - 5 
Explanation: Toll like receptor (TLR) - 5 is present in flagellin.