Question

Which of the following terms describes the DNA-protein complexes that look like beads on a string?

1. Chromatin
2. 30-nanometer fiber
3. Histones
4. Nucleosome

Answer 1

Option 4, nucleosome

Step-by-step explanation:

Nucleosome is a structural unit of a eukaryotic chromosome, consisting of a length of DNA coiled around a core of histones. This is thus the beads on the string (chromatin).