What Can Happen When a Complement Protein Encounters an Antibody-Antigen

question 58

Multiple Choice

What can happen when a complement protein encounters an antibody-antigen complex marking a pathogen?

• A) The protein can mark the pathogen for destruction by T cells.
• B) The protein can destroy the pathogen.
• C) The protein can coat the pathogen to inactivate it.
• D) The protein can remove the antibody for use elsewhere.

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