MCQ
The distance between the base in DNA is:
- A20Å
- ✓3.4Å
- C34Å
- D10Å
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$I.$ Anabaena
$II.$ Oscillatoria
$III.$ Nostoc
Choose the correct option
Reason : $DNA$ binds around histone proteins that form a pool and the entire structure is called a nucleosome.