Which are the terminal component of the complementary system?
C6,C7,C8
C7,C8,C9
C3,C4,C5
C5,C6,C7
Terminal components are C7, C8, and C9.They can directly kill some bacterial invaders (notably, many of the neisseriae) by forming a membrane attack complex and disrupting the integrity of the bacterial membrane, thus causing bacteriolysis. Ref: Harrison's Principles of Internal Medicine, 18e, Chapter 119.Introduction to Infectious Diseases.