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

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

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

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Anti Bodies
IgE provides

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

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