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

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

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Anti Bodies
IgE provides

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

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Anti Bodies
Type A blood

can be used to donate to type AB individuals
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 B individuals

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Anti Bodies
The immunoglobulin fold is

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

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