Cytotoxic T Cells Can Attack Target Cells with Which of the Following

Question

Cytotoxic T cells can attack target cells with which of the following chemical weapons?
A) secrete strong acid
B) secrete organic solvent
C) secrete free radicals
D) secrete a cytokine that triggers apoptosis
E) secrete mutant proteins that get incorporated into the target's DNA

Accepted Answer

Cytotoxic T cells can secrete a cytokine, such as perforin and granzymes, that triggers apoptosis in target cells. This is a key mechanism by which they kill virus-infected cells or tumor cells.