Anti Bodies
The immunoglobulin fold is

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

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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?

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

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Anti Bodies
The main function of antibodies is to

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

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