Q192 / 200 · NEET 2003 · Zoology

ELISA is used to detect viruses where the key reagent is:

  • Correct answer
    A
    alkaline phosphatase
  • B
    catalase
  • C
    DNA probe
  • D
    RNase

Solution

Alkaline phosphatase and peroxidases are commonly used enzymes as key reagent to perform the ELISA test. Related Theory ELISA (enzyme linked immunosorbent assay) screening test is the initial test to diagnose AIDS. The test works by detecting antibodies which are produced in the blood in response to the virus attack.

Hence, the correct answer is option: 'A'.

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