Anti Bodies
Cleavage of an IgG molecule by a specific protease can produce

an antigen-binding site and two constant regions
two Fab fragments and one Fc fragment
two heavy chain-light chain dimers
an inactive mixture of oligopeptides

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Anti Bodies
Each IgA antibody molecule consists of

two polypeptide chain and has two antigen binding site
four polypeptide chain and has two antigen binding site
two polypeptide chain and has one antigen binding site
three polypeptide chain and has two antigen binding site

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Anti Bodies
Antibodies in the human immune system can identify approximately 108 different molecules Which one of the following is correct?

Most of these antibodies recognize proteins
Most of these antibodies recognize small organic molecules
Many of these molecules are self-antigens
This diversity is generated from 108 different immunoglobin genes

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Anti Bodies
Monoclonal refers to

the binding with same antigenic site with identical binding affinities
All of these
all the antibody molecules which are identical
a single clone of antibody-producing cells

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