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
Monoclonal refers to

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

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Anti Bodies
IgE provides

immunity against some parasites
secretions in the body
All of these
complement killings of the cells and phagocytosis

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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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