Histones and DNA have a strong attraction for each other because
A) DNA is positively charged and histones are negatively charged.
B) both DNA and proteins are hydrophobic.
C) DNA is negatively charged and histones are positively charged.
D) like substances share common charges.
E) None of the choices are correct.

Question

Quizplus · Accepted Answer

DNA has negatively charged phosphate groups, while histones have positively charged amino acids. This attraction between opposite charges allows for the tight packaging of DNA into chromatin.

Histones and DNA Have a Strong Attraction for Each Other