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7.Human Health and Disease
normal
Which of the following is based upon the principle of antigen-antibody interaction ?
A
$PCR$
B
$ELISA$
C
$r-DNA$ technology
D
$RNA$
(AIIMS-2014)
Solution
The $ELISA$ is a fundamental tool of clinical immunology, and is used as an initial screen for $HIV$ detection. Based on the principle of antigen- antibody interaction, this test allows for easy visualization of results.
Standard 12
Biology
