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

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Anti Bodies
Type A blood

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

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