Specific Immunity—3 rd line of defense. Who are the players? Antigens Antibodies and B-cells Antibody editing and clonal selection Cytotoxic T-cells Helper T-cells MHC and antigen processing. Who are the players?. Antigens: foreign proteins, usually part of virus or bacteria
How can each cell have its own different antibody if they all have the same DNA?
BUT…usually B-cells cannot recognize antigens on their own…and the simple antibody response is usually not sufficient to fight an infection.
THUS…T-cells (oh, no)….