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Question : Define Antigen and Antibody. Name any two diagnostic kits based upon them. |
| Answer» SOLUTION :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. | |