Question

The region in which the DNA is wrapped around a cluster of histone proteins is called:

• A. Nucleosome
• B. Mesosome
• C. Desmosome
• D. Centrosome

Answer 1

Answer:

A. Nucleosome

A nucleosome is a repeating unit of DNA and histone proteins that forms the basic structural unit of DNA packaging in eukaryotes. DNA is wrapped around a histone octamer, which is made up of two copies each of the histone proteins H2A, H2B, H3, and H4.