Which immunoglobulin is thought to control the activity of B cells?

A) IgG
B) IgA
C) IgM
D) IgE
E) IgD

Immunoglobulin

Proteins in the blood plasma, also known as antibodies, which are crucial for the immune system's response against pathogens.

B Cells

A type of white blood cell that plays a crucial role in the immune system by producing antibodies to fight infections.

IgD

Immunoglobulin D, a type of antibody that has a role in the immune system, particularly in the initiation of immune responses.