Question: what is the difference between mhc 1 and mhc 2?
Answer: MHC class I glycoproteins present endogenous antigens that originate from the cytoplasm. MHC II proteins present exogenous antigens that originate extracellularly from foreign bodies such as bacteria. MHC Class II presents 14-18 amino acid peptides. ... Present antigen to helper T cell lymphocytes; (CD4+ T cells).