After binding to an infected cell, the cytotoxic T cell
A) releases histamine.
B) becomes a phagocytic cell.
C) neutralizes the infecting bacteria or viruses.
D) releases a protein called perforin.

Question

Quizplus · Accepted Answer

After binding to an infected cell, the cytotoxic T cell releases a protein called perforin, which forms pores in the membrane of the infected cell, leading to its death. This process allows the cytotoxic T cell to neutralize the infecting bacteria or viruses. The other options, releasing histamine or becoming a phagocytic cell, are not how cytotoxic T cells function.

After Binding to an Infected Cell, the Cytotoxic T Cell