This class of antibodies is made up of five immunoglobulin unit

Each antibody is made up of

Each antibody is made up of

The unit cell of diamond is made up of:

The unit cell of diamond is made up of:

The unit cell of diamond is made up of:

Antibody formed of five immunoglobin units/pentamer is

Antibody formed of five immunoglobin units/pentamer is

List five classes of immunoglobins.

Protective proteinous chemical compounds produed by the immune cells in response to antigens are called antibodies, also called immunoglobulins. There are five classes of antibodies: IgA, IgD, IgE, IgG and IgM. Following diagram is that of a specific class of antibodies. Observe the diagram and answer the questions listed below the diagram: (i) To which class of antibodies, this antibody belongs to ? (ii) Identify the parts of the diagram labelled as A and B. (iii) Give the name of the part of antibody which binds the antigen. (iv) Which type of immune system is formed by the antibodies?