MCQ
In which year, Earth Summit held?
- A$1993$
- ✓$1992$
- C$1994$
- D$1995$
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$R$ - The presence of introns is reminiscent of antiquity.
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 :