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.
electrostatic forces.
hydrophobic forces
none of these

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Anti Bodies
Type A blood

contains type B antigens on the surface of red blood cells
can always be used to donate to an Rh+ individual
can be used to donate to type AB individuals
can be used to donate to type B individuals

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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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Anti Bodies
Papain digest IgG into

two Fab fragments and two Fc fragments
three Fab fragments and two Fc fragments
two Fab fragments and one Fc fragment
three Fab fragments and three Fc fragments

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