Home Maths Sets, Relations and Functions Set Operations Read the following statements and choose the…
Maths Sets, Relations and Functions Set Operations Single Correct MCQ
Published on: August 21, 2026

Read the following statements and choose the set of correct statements:

A
Euchromatin is loosely packed chromatin , ,
B
Heterochromatin is transcriptionally active , , (e) Only
C
Histone octomer is wrapped by negatively charged DNA in a nucleosome , , (e) Only
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: , (e) Only Only

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The correct answer is:
C

Euchromatin is the loosely packed chromatin region.

Heterochromatin is transcriptionally inactive.

The negatively charged DNA is wrapped around the positively charged histone octamer to form a structure called nucleosome.

Histones are rich in basic amino acid residues lysine and arginine.

A typical nucleosome contains 200 bp of DNA helix.

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