Microbiology The role played by Major Histocompatibility Complex (MHC)-1 and -2 is to: A Transduce the signal to T-cell following antigen recognition B Mediate immunogenic class switching C Present antigens for recognition by T-cell antigen receptors D Enhance secretion of cytokines 💡 Explanation The role played by Major Histocompatibility Complex (MHC)-1 and -2 is to: ✓ Correct Answer: C. Present antigens for recognition by T-cell antigen receptors