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
Many of these molecules are self-antigens
Most of these antibodies recognize small organic molecules
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 one antigen binding site
four polypeptide chain and has two antigen binding site
three polypeptide chain and has two antigen binding site
two polypeptide chain and has two antigen binding site

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Anti Bodies
The immunoglobulin fold is

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

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Anti Bodies
Monoclonal refers to

a single clone of antibody-producing cells
the binding with same antigenic site with identical binding affinities
All of these
all the antibody molecules which are identical

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