Immunology in Biotechnology
practice.

Which one of the combinations of the following statements is true about antibody structure?
P. Limited proteolysis of rabbit IgG with the enzyme pepsin generates two antigen-binding regions (Fab) and an Fc fragment.
Q. Limited proteolysis of rabbit IgG with the enzyme papain generates a single bivalent antigen-binding region F(ab')₂ and peptide fragments.
R. The Fc fragment of IgG can self-associate and crystallize into a lattice.
S. The F(ab')2 fragment of IgG is composed of both light and heavy chains.

Anergy refers to

The polymorphic domains for Class II MHC proteins are

ABO blood group antigens in humans are differentiated from each other on the basis of

Members of the antibody protein family that have common structural features are collectively known as

In ABO blood group system, antigenic determinants are

Identification of blood groups involves

Protein A, which has strong affinity to Fc region of immunoglobulin, is extracted from

Lymphocytes interact with foreign antigens in

Prior exposure of plants to pathogens is known to increase resistance to future pathogen attacks. This phenomenon is known as