In every antibody molecule, one can locate:

In an IgA antibody molecule , the antigen binding site is formed up of

Antibody molecules are held together by:

The antigen-binding site of the antibody molecule is called "paratope". Epitope recognising part of antibody comprises of

The light and heavy chains is an antibody molecule are linked to each other mainly by

The light and heavy chains is an antibody molecule are linked to each other mainly by

The four polypetide chains of the antibody molecules are held together by:-

Identify A, D, E and F in the diagram of an antibody molecule given below :

In the figure, structure of an antibody molecule is shown Name the part A, B and C : -