What is the principle behind the ELISA technique?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Biology Mcqsbiology-mcqs
Published
11 Apr 2022
Last updated
28 May 2026

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Explanation

ELISA works by adding a substrate that reacts with an enzyme linked to the antibody, producing a visible colored product that indicates the presence of the target antigen or antibody.

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