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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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

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

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