The disease fighting protein produced by the body in response to a specific antigen:

The most prevalent antibody in serum

Only antibodies that can cross placenta

The secretory antibodies found in mucous membranes

This antibody causes allergic reactions when attached to mast cells or basophils

The immunoglobulin found in a mother's milk is

Antibodies are

Antibody structure is commonly

Antibody structure contains

Antibodies divided into

Types of immunoglobulins are

Antibody which can pass through placenta from mother to foetus is

IgG is

Major immunoglobulin in serum is