Covers the basic cellular and molecular mechanisms involved in humoral and cell-mediated immunity. Topics include tissues and cells of the immune response, antigen and antibody structure and function, the major histocompatibility complex, genetics of antibody and T-cell receptor formation, immune effector mechanisms and aberrations of the immune response. Three hours lecture. Prerequisites: BIO-111 and CHM-211, each with a minimum grade of C or permission of the instructor; BIO-239 Genetics and BIO-340 Microbiology strongly recommended. [ 3 credits ]