Pathology The role played by Major Histocompatibility Complex-1 and -2 is to A Transduce the signal to T-cells following antigen recognition B Mediate immunogenic class switching C Present antigens for recognition by T-cell antigen receptors D Enhance the secretion of cytokines π‘ Explanation The role played by Major Histocompatibility Complex-1 and -2 is to β Correct Answer: C. Present antigens for recognition by T-cell antigen receptors