Write a short note on antigen. – InterviewSolution

1.	Write a short note on antigen.
Answer» The germ or foreign material which enters the body and converts B-lymphocytes into antibody producing plasma cells and specifically interacts with that antibody is called an antigen. Antigens are generally those external substances which have molecular weight more than 6000 Dalton. Sometimes, antigens can be produced inside the body, e.g. in case of viral infection or by cancerous cells.

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