Pathology The role played by major histocompatibility complex protein is: A Transduce the signals to T cells following antigen recognition B Mediate immunoglobulin class switching C Present antigens for recognition by T cell antigen receptor D Enhance the secretion of cytokines 💡 Explanation The role played by major histocompatibility complex protein is: ✓ Correct Answer: C. Present antigens for recognition by T cell antigen receptor