How do B cells recognize antigens? 1 through their MHC receptor 2 by phagocytizing the pathogen 3 the variable region of their immunoglobulin receptor

How do B cells recognize antigens? 1 through their MHC receptor 2 by phagocytizing the pathogen 3 the variable region of their immunoglobulin receptor

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Answer

• 3 the variable region of their immunoglobulin receptor
  Explanation:
  Unlike T cells which recognize antigens through digested peptides, B cells recognize their cognate antigen in its native form. B cells use receptors to bind antigens and initiate processes such as phagocytosis, complement activation or neutralization. Mature B cells recognize antigens using B cell receptors (Membrane-bound immunoglobulin).