Anti Bodies
Structures of anti-PCP antibody shows that the tight binding of PCP to the antibody is primarily due to

hydrophobic forces
electrostatic forces.
Van der Waals forces.
none of these

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Anti Bodies
Each IgA antibody molecule consists of

two polypeptide chain and has two antigen binding site
three 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

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Anti Bodies
Monoclonal refers to

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

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