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

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

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Anti Bodies
IgE provides

complement killings of the cells and phagocytosis
immunity against some parasites
secretions in the body
All of these

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Anti Bodies
Each IgA antibody molecule consists of

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

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