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

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

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Anti Bodies
Each IgA antibody molecule consists of

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

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Anti Bodies
The main function of antibodies is to

chemically combine with the antigen which induces it, inactivate the antigen and protect the body from disease
kill all the foreign bodies
protect the circulatory system
generate antigens, thus conferring immunization

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Anti Bodies
Monoclonal refers to

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

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