Anti Bodies
The human IgG class of antibodies is divided into

five IgG classes
three IgG classes
four IgG classes
two IgG classes

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

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Anti Bodies
Each IgA antibody molecule consists of

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

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Anti Bodies
Papain digest IgG into

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

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