Anti Bodies
A secondary antibody is an antibody that

is produced in boostered animals
has been used in prior experiments
binds to another antibody
is synthetically produced

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Anti Bodies
Each IgA antibody molecule consists of

two polypeptide chain and has one antigen binding site
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

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Anti Bodies
The main function of antibodies is to

chemically combine with the antigen which induces it, inactivate the antigen and protect the body from disease
protect the circulatory system
generate antigens, thus conferring immunization
kill all the foreign bodies

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