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22/01/2022 4:32 pm
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Define Antigen and Antibody. Name any two diagnostic kits based upon them.
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22/01/2022 4:33 pm
An antigen is a foreign substance that elicits the formation of an antibody. Antibody is a protein that is synthesised in response to an antigen. Antigen and antibody show high degree of specificity in binding each other.
Two diagnostic kits based on antigen-antibody interaction are:
(a) ELISA for HIV.
(b) Pregnancy test kits.