Anti Bodies
Antibodies of the IgG class

are glycoproteins
All of these
are secreted into the bloodstream
consist of four subunits

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Anti Bodies
The immunoglobulin fold is

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
both (a) and (b)

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Anti Bodies
Papain digest IgG into

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

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Anti Bodies
The main function of antibodies is to

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

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