Which statement is true about T cells?
A. They usually directly recognize antigens, which then activates a subpopulation of killer cells.
B. Their proliferation is enhanced by interleukins 1 and 2.
C. Once activated, they cannot secrete cytokines.
D. They will develop into cytotoxic T cells if antigen is complexed with class II MHC proteins.
Answer:B
Which statement is true about T cells?
A. They usually directly recognize antigens, which then activates a subpopulation of killer cells. B. Their proliferation is enhanced by interleukins 1 and 2. C. Once activated, they cannot secrete cytokines. D. They will develop into cytotoxic T cells if antigen is complexed with class II MHC proteins.