Question

 Define an antigen and antibody. Enumerate different antigen-antibody reactions. giving one example of
each type which is useful in laboratory diagnosis of microbial diseases

07 Aug 2026
Answer :
Word Count : 98
An antigen is a foreign substance that stimulates an immune response and reacts specifically with antibodies. An antibody is an immunoglobulin produced by B-lymphocytes in response to
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