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

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

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Anti Bodies
A polyclonal antibody response

violates clonal selection
is produced by several B cells recognizing different pitopes on the same antigen
occurs during the lag phase of the immune response
is produced only in response to polymeric antigens

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