MCQ
Purines found both in $DNA$ and $RNA$ are
- AAdenine and thymine
- ✓Adenine and guanine
- CGuanine and cytosine
- DCytosine and thymine
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Choose the incorrect statement from the following
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 :