Fill in the blank in the following paragraph regarding chromatin organization. Do not use abbreviations.
"Our ~6.4-giganucleotide nuclear DNA is organized into 46 chromosomes, each occupying a territory inside the interphase nucleus. In each chromosome, the chromatin is thought to be composed of 'open' and 'closed' chromatin compartments. At the meganucleotide scale, each compartment is organized into knot-free arrangements called … that allow tight packing and simultaneously avoid entanglement."

Question

Quizplus · Accepted Answer

Most regions of our chromosomes are folded into a conformation referred to as a fractal globule. This knot-free arrangement facilitates maximally dense packing, but also preserves the ability of the chromatin fiber to unfold and fold.

Fill in the Blank in the Following Paragraph Regarding Chromatin