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

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

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Anti Bodies
A polyclonal antibody response

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
violates clonal selection

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Anti Bodies
Each IgA antibody molecule consists of

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

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