Examlex
-Which statement is true?
C3
A protein component of the immune system's complement system, which enhances the ability of antibodies and phagocytic cells to clear pathogens from an organism.
Foreign Antigens
Substances from outside the body that can induce an immune response.
Foreign Substances
Materials or particles that are not recognized as part of the body, often invoking an immune response.
MAC
Membrane attack complex (MAC) is a structure formed on the surface of pathogenic bacteria as part of the immune system's response, leading to the lysis of these cells.
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