Anti Bodies
Fab fragment has

one antibody binding site
one antigen binding site
two antigen binding site
two antibody binding site

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Anti Bodies
Type A blood

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

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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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Anti Bodies
IgE provides

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

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