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

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

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Anti Bodies
IgE provides

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

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Anti Bodies
The immunoglobulin fold is

both (a) and (b)
found only in IgG molecules
found six times in the IgG molecule
a β-barrel composed of a three- and a four-stranded antiparallel β-sheet

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