- ✓Liquid nitrogen
- BRefrigerator
- CIce
- DAll of these
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Statement $I$: In prokaryotes, the positively charged DNA is held with some negatively charged proteins in a region called nucleoid.
Statement $II$: In eukaryotes, the negatively charged DNA is wrapped around the positively charged histone octamer to form nucleosome.
In the light of the above statements, choose the correct answer from the options given below:
$(a)$ Euchromatin is loosely packed chromatin
$(b)$ Heterochromatin is transcriptionally active
$(c)$ Histone octomer is wrapped by negatively charged DNA in nucleosome
$(d)$ Histones are rich in lysine and arginine
$(e)$ A typical nucleosome contains $400\,bp$ of DNA helix
Choose the correct answer from the options given below: