Anti Bodies
Antigenic determinants bind to which portions of an antibody?

Constant regions
Variable regions
Only light chains
Only heavy chains

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Anti Bodies
Antibodies in the human immune system can identify approximately 108 different molecules Which one of the following is correct?

Most of these antibodies recognize proteins
This diversity is generated from 108 different immunoglobin genes
Most of these antibodies recognize small organic molecules
Many of these molecules are self-antigens

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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 AB individuals
can be used to donate to type B individuals

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Anti Bodies
Papain digest IgG into

three Fab fragments and three Fc fragments
two Fab fragments and two Fc fragments
two Fab fragments and one Fc fragment
three Fab fragments and two Fc fragments

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