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

Variable regions
Constant regions
Only light chains
Only heavy chains

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Anti Bodies
IgE provides

secretions in the body
All of these
immunity against some parasites
complement killings of the cells and phagocytosis

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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 only in IgG molecules
found six times in the IgG molecule

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