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Introduction to the Complement System

Introduction to the Complement System

19. Innate Immunity / Introduction to the Complement System / Problem 3

Which of the following best describes the role of C3b in the complement system?

A

Acts as a chemoattractant to recruit immune cells

B

Tags pathogens for destruction by phagocytes

C

Directly kills pathogens by puncturing cell membranes

D

Neutralizes viruses by preventing their entry into host cells

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