IMM250H1 Study Guide - Quiz Guide: Rag1, Common Gamma Chain, Interleukin 2
Document Summary
Bubble boy : david vetter poses inside of his bubble in his houston home in this dec. 17, 1976 file photo. He died at age 12. had no adaptive immunity. Immune system has two lines of defense: innate immunity: first to respond to foreign antigen phagocytic cells are key components of innate response very limited scope of antigen recognition, adaptive immunity: T cells help b cells to produce antibodies and can also directly kill pathogens. Adaptive immunity confers lifelong protective immunity to re-infection with the. Antigens how immune system diverifies itself to recognize lost of antigens how the immune system knows its experienceing an infection and attacks a microbe and not itself. Antigen presenting cells may be virally infected proteins: mhc. *because a single b cell makes a signle specificity* you will only expand that b cell with that single specific antibody molecule that recognizes the pathogen.
