What are the three major families of antigen-binding molecules in the adaptive immune system?

Question

What are the three major families of antigen-binding molecules in the adaptive immune system?

Answer 1

B cells , T cells ( bind only peptides derived from antigens that are presented to them by macrophages B cells or dendritic cells ), dendritic cells , macrophages ( although a member of the innate system the can bind antigens and phagocytose them with or without antibody and C3b opsonization.