Anti Bodies
Antigenic determinants bind to which portions of an antibody?

Constant regions
Only heavy chains
Variable regions
Only light chains

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Anti Bodies
Papain digest IgG into

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

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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 six times in the IgG molecule
found only in IgG molecules

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