Q: In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
Question: What effect would chromatin have on neutralizing the positive charge of histones ?:
Options: <0> The DNA would change charge. <1> Histones would bind more closely to DNA. <2> The DNA would be supercoiled. <3> The histones would separate from the DNA. <4> The histones would be grouped together.
A:
biology