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| Description: Pathways of Antigen Processing For an immune response to occur, B cells and T cells must recognize that a foreign antigen is present. B cells can recognize and bind to antigens in lymph, interstitial fluid, or blood plasma T cells only recognize fragments of antigenic proteins that are processed and presented in a certain way In antigen processing, antigenic proteins are broken down into peptide fragments that associate with MHC molecules The antigen–MHC complex is then inserted into the plasma membrane of a body cell This process is called antigen presentation Picture Stats: Views: 148 Filesize: 1.33MB Height: 796 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=40983 |