Which antibody is found on the surface of a B cell and activates it to become a plasma cell?
A. IgA
B. IgD
C. red blood cell antigen
D. IgG
Answer:B
Which antibody is found on the surface of a B cell and activates it to become a plasma cell?
A. IgA B. IgD C. red blood cell antigen D. IgG
Explanation: A) Immunoglobulin A is not associated with B cells.