A key part of the humoral immune response is
A) the attack of cytotoxic T cells on infected host cells.
B) the production of antibodies by plasma cells.
C) perforation of infected host cells by perforin.
D) the attack of phagocytes on living pathogens.
E) the initiation of programmed cell death in infected host cells.

Question

Quizplus · Accepted Answer

The key part of the humoral immune response is the production of antibodies by plasma cells, which are derived from activated B cells. Antibodies can neutralize pathogens by binding to their surface proteins and preventing them from infecting host cells, and can also tag them for destruction by phagocytes.

A Key Part of the Humoral Immune Response Is