This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Complement formed in liver - 
Select and explain. 
A. C2,C4, B. C3,C6,C9, C. C5,C8, D. C1
B: C3,C6,C9
Answer: B: C3,C6,C9 
Explanation: - complement is a complex of nine different fractions, C1 to C9. - they are synthesised at various sites in the body. - the complement C3, C6, C9 are synthesised in liver. Reference : Anathanarayan & paniker's 9th edition, pg no:126 <\p>