Immunology in Biotechnology MCQs

Which one of the following is not a principal component of innate immunity?

A neonatally thymectomized mouse, immunized with protein antigen shows

Which of these mice fall to develop a thymus?

Abzymes are

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