Histones are a kind of protein that is known to play a very important role in packaging DNA into chromatin. What of the following characteristics about histones is true?
Loading ...
Correct Answer: B. They are responsible for the supercoiling of DNA.
Histones are not responsible for methylating DNA(A) or helping topoisomerase enzymes bind. Histones interact with DNA through ELECTROSTATIC interactions, and an octet of histones plus a length of DNA forms a NUCLEOSOME and causes the DNA to form its tertiary structure and become supercoiled.
Get it right? Tweet at us!
Subscribe below to get the DAT Question of the Day delivered straight to your inbox every morning.
