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
Each IgA antibody molecule consists of

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

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Anti Bodies
Type A blood

can be used to donate to type B individuals
can be used to donate to type AB individuals
contains type B antigens on the surface of red blood cells
can always be used to donate to an Rh+ individual

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Anti Bodies
The immunoglobulin fold is

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
both (a) and (b)

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