Anti Bodies
Antibodies can be used

for the localization of proteins in the cell
for protein purification
to catalyze chemical reactions
All of these

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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 six times in the IgG molecule
both (a) and (b)
found only in IgG molecules

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Anti Bodies
The main function of antibodies is to

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

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Anti Bodies
Type A blood

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

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