MCQ
$ELISA$ is based on
- ✓Antigen - antibody interaction
- BAntigen - protein interaction
- CLectin - antibody interaction
- DAll of the above
$ELISA$ is based on the principle of antigen-antibody interactions. It can detect very small amount of proteins (antibody or antigen) with the help of enzymes ( $e . g .$, peroxidase or alkaline phosphatase)
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