Anti Bodies
Type A blood

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

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Anti Bodies
The main function of antibodies is to

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

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Anti Bodies
The immunoglobulin fold is

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

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