Anti Bodies
Fab fragment has

one antigen binding site
two antigen binding site
one antibody binding site
two antibody binding site

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Anti Bodies
IgE provides

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

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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?

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

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Anti Bodies
The immunoglobulin fold is

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

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