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

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

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Anti Bodies
Papain digest IgG into

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

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Anti Bodies
The main function of antibodies is to

generate antigens, thus conferring immunization
kill all the foreign bodies
protect the circulatory system
chemically combine with the antigen which induces it, inactivate the antigen and protect the body from disease

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Anti Bodies
Each IgA antibody molecule consists of

four polypeptide chain and has two antigen binding site
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

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