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.
none of these
Van der Waals forces.

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Anti Bodies
Each IgA antibody molecule consists of

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

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Anti Bodies
Monoclonal refers to

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

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