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Question
Which diagnostic technique utilizes antigen-antibody interactions coupled with an enzyme colour reaction, making it well-suited for rapid mass screening?
Options
PCR amplification
Radiolabelled DNA hybridisation
ELISA
Karyotyping
MCQ
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Solution
Enzyme-Linked Immunosorbent Assay (ELISA) operates on the principle of antigen-antibody recognition combined with an enzyme-catalyzed colorimetric reaction, making it fast, sensitive, and suitable for large-scale screening.
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