Anti Bodies
Fab fragment has

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

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Anti Bodies
The immunoglobulin fold is

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

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

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Anti Bodies
Each IgA antibody molecule consists of

two polypeptide chain and has two antigen binding site
two polypeptide chain and has one antigen binding site
three polypeptide chain and has two antigen binding site
four polypeptide chain and has two antigen binding site

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Anti Bodies
Papain digest IgG into

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

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