MCQ
The confirmatory test used to diagnose $AIDS$ is
- A$ELISA$
- ✓Western blot
- C$ESR$
- D$PCR$
(b) $HIV$ antibodies can be detected by the $ELISA$ test. A positive $ELISA$ should be confirmed using another test called the western blot test.
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Statement $I:$
Restriction endonucleases recognise specific sequence to cut DNA known as palindromic nucleotide sequence.
Statement $II:$
Restriction endonucleases cut the $DNA$ strand a little away from the centre of the palindromic site.
In the light of the above statements, choose the most
appropriate answer from the options given below :