IMMUNOLOGY

Detailed explanation-1: -Immunoglobulins (Ig) or antibodies are glycoproteins produced by plasma cells. B cells are instructed by specific immunogens, for example, bacterial proteins, to differentiate into plasma cells.

Detailed explanation-2: -Immunoglobulins, or antibodies, are Y-shaped proteins made by specialized cells of the immune system called B cells and plasma cells. The immune system makes antibodies that are specific for each disease-causing agent and can learn to make specific antibodies to a new virus.