In a nucleosome, . in a nucleosome, . about 174 base pairs of dna are wrapped around an octamer of histone proteins about 147 base pairs of dna are wrapped around a hexamer of histone proteins about 174 base pairs of dna are wrapped around a hexamer of histone proteins about 147 base pairs of dna are wrapped around an octamer of histone proteins

The correct answer will be option-about 174 base pairs of DNA are wrapped around an octamer of histone proteins.

Explanation:

A nucleosome is the fundamental unit of the chromatin thread polymer of DNA which is made up of a nucleosome core. The nucleosome core is composed of histone proteins H2A, H2B, H3, and H4 arranged in two copies forming an "octamer structure of proteins".  

About 174 bp of DNA wraps around this nucleosome which is connected to other nucleosomes through 160 to 240 bp linker DNA.  

Thus, the selected option is the correct answer.

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).