Question

cytotoxic t cells may attack ____________. a antigen - bearing cells b cancer cells c virus - infected cells d all apply.

Explanation:

Cytotoxic T cells are a type of T lymphocyte that play a key role in the immune response. They can recognize and attack cells that display foreign antigens, which includes antigen - bearing cells, cancer cells (which have abnormal antigens), and virus - infected cells (which present viral antigens). So all of the options A, B, and C are correct, meaning option D is the right choice.

Answer:

D. All apply.