Pathology The role played by MHC proteins is to – A Transduce the signal to T cells following antigen recognition B Mediate immunoglobulin class - switching C Present antigens for recognition by T cell antigen receptors D Enhance the secretion of cytokines 💡 Explanation The role played by MHC proteins is to - ✓ Correct Answer: C. Present antigens for recognition by T cell antigen receptors