<prompt> Which are the terminal component of the complementary system?C6,C7,C8C7,C8,C9C3,C4,C5C5,C6,C7  <response>: 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: Harrisons Principles of Internal Medicine, 18e, Chapter 119.Introduction to Infectious Diseases. 