Immunoglobulin found in B lymphocyte -: (A) IgA, (B) IgE, (C) IgG, (D) IgD
Answer is D. Immunoglobulin D (IgD) is an antibody isotype that makes up about 1% of proteins in the plasma membranes of immature B-lymphocytes where it is usually coexpressed with another cell surface antibody called IgM. Reff: www.mayoclinic.com