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

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

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Anti Bodies
The main function of antibodies is to

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

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