IgG

IgM

IgE

IgA

They can be secreted by plasma cells.

They have two recognition sites which can recognize two different antigens.

They are found on the surface of helper T cells.

They are seen immediately following an infection.

Antibodies mark pathogens to be destroyed by phagocytic cells

Antibodies destroy pathogens once attached

An antibody can attach to multiple pathogens

Antibodies are created by helper T-cells