Anti Bodies
Alum is an effective adjuvant because it

slows the release of antigen
disaggregates the antigen.
is immunogenic for T cells
is immunogenic for stem cells

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Anti Bodies
Each IgA antibody molecule consists of

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

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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 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
IgE provides

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

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