Question

The level of dna packaging brought about by the formation of _____ looks like beads on a string. 1400-nm chromatin fibers nucleosomes scaffolds 2-nm chromatin fibers 30-nm chromatin fibers

Answer 1

Answer: nucleosomes

Nucleosomes are one vital structures found in eukaryotic DNA. They enables the compact packaging of the genetic material into chromosomes. It is composed of a DNA sequence wrapped around the core of a protein type called histone. These are highly alkaline and act as spools around which DNA winds. They are also known to be involved in gene regulation.