0 0 votes Reactions between antibodies and antigens that are detected by precipitate formation in an agar gel are referred as immunoprecipitation assay immunodiffusion assay immunoaggregation assay immunofixation assay Immunology gate2014 antigen-antibody-reactions immunology + – Milicevic3306 7.9k points answer comment Share Follow 0 reply Please log in or register to add a comment.