<prompt> MHC II isare presented by:MacrophageDendritic cellsLymphocyteAll  <response>: A, B i.e. Macrophage; Dendritic cells; C i.e. Lymphocytes - Genes encoding major histocompatibility complex MHC or human leucocyte antigen HLA complex named so because MHC encoded antigens were initially detected on leucocytes are clustered on small 4 megabase region on sho arm of chromosome 6Q. It is involved in transplantation reaction autoimmune diseases. - MHC II are expressed presented by antigen presenting cells eg dendritic cells, macrophages, Langerhans cells, B cells and activated T cellsQ. 