Anti Bodies
Antibodies of the IgG class

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

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Anti Bodies
Each IgA antibody molecule consists of

two polypeptide chain and has two antigen binding site
three polypeptide chain and has two antigen binding site
two polypeptide chain and has one antigen binding site
four 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
Papain digest IgG into

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

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