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

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

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Anti Bodies
Antibodies in the human immune system can identify approximately 108 different molecules Which one of the following is correct?

Most of these antibodies recognize proteins
Many of these molecules are self-antigens
Most of these antibodies recognize small organic molecules
This diversity is generated from 108 different immunoglobin genes

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Anti Bodies
A polyclonal antibody response

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

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Anti Bodies
IgE provides

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

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