Anti Bodies
The human IgG class of antibodies is divided into

two IgG classes
four IgG classes
five IgG classes
three IgG classes

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Anti Bodies
The immunoglobulin fold is

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
found only in IgG molecules

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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
A polyclonal antibody response

is produced by several B cells recognizing different pitopes on the same antigen
occurs during the lag phase of the immune response
violates clonal selection
is produced only in response to polymeric antigens

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