Question

Chromatin contains

• A. DNA only
• B. Histone proteins only
• C. Non-histone proteins only
• D. All of the above

Answer 1

The correct option is D All of the above

Chromatin is a complex of macromolecules found in cells, consisting of DNA, protein, and RNA.

There are three levels of chromatin organization, DNA wraps around histone proteins forming nucleosomes, multiple histones wrap into a 30 nm fibre consisting of nucleosome arrays in their most compact form, higher-level DNA packaging of the 30 nm fibre into the metaphase chromosome.