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प्रश्न
Each B-lymphocyte is individually programmed to recognise how many distinct antigens?
विकल्प
All antigens present in the body
A single, distinct antigen
Two antigens simultaneously
Multiple related antigens from the same pathogen family
MCQ
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उत्तर
B lymphocytes are individually programmed to recognise a single, distinct antigen. This specificity ensures that each B-cell responds only to its matching antigen, providing targeted immune defence.
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