IMMUNOLOGY

Detailed explanation-1: -Each B cell clone makes antibody molecules with a unique antigen-binding site. Initially, during B cell development in the bone marrow, the antibody molecules are inserted into the plasma membrane, where they serve as receptors for antigen.

Detailed explanation-2: -B lymphocytes are part of the immune system and develop from stem cells in the bone marrow. Also called B cell.

Detailed explanation-3: -The B cells produce antibodies that are used to attack invading bacteria, viruses, and toxins. The T cells destroy the body’s own cells that have themselves been taken over by viruses or become cancerous.