Anti Bodies
Cleavage of an IgG molecule by a specific protease can produce

an inactive mixture of oligopeptides
an antigen-binding site and two constant regions
two Fab fragments and one Fc fragment
two heavy chain-light chain dimers

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Anti Bodies
Each IgA antibody molecule consists of

two polypeptide chain and has one antigen binding site
two polypeptide chain and has two antigen binding site
three polypeptide chain and has two antigen binding site
four polypeptide chain and has two antigen binding site

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Anti Bodies
A polyclonal antibody response

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

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