Anti Bodies
The main function of antibodies is to

protect the circulatory system
generate antigens, thus conferring immunization
chemically combine with the antigen which induces it, inactivate the antigen and protect the body from disease
kill all the foreign bodies

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Anti Bodies
The immunoglobulin fold is

found only in IgG molecules
found six times in the IgG molecule
both (a) and (b)
a β-barrel composed of a three- and a four-stranded antiparallel β-sheet

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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 AB individuals
can be used to donate to type B individuals

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