Anti Bodies
Alum is an effective adjuvant because it

is immunogenic for T cells
disaggregates the antigen.
slows the release of antigen
is immunogenic for stem cells

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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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Anti Bodies
Each IgA antibody molecule consists of

four polypeptide chain and has two antigen binding site
two polypeptide chain and has one antigen binding site
two polypeptide chain and has two antigen binding site
three polypeptide chain and has two antigen binding site

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