In a linear eukaryotic chromatin sample, which of the following strands is looped into domains by scaffolding?
A) DNA without attached histones
B) DNA with H1 only
C) the 10-nm chromatin fiber
D) the 30-nm chromatin fiber
E) the metaphase chromosome

Question

Quizplus · Accepted Answer

The 30-nm chromatin fiber is looped into domains by a proteinaceous scaffold. This folded structure is also known as the chromatin loop domain or loop domain. It is the next level of organization above the 10-nm chromatin fiber and is visible using electron microscopy. The other options do not involve looping into domains with scaffolding.

In a Linear Eukaryotic Chromatin Sample, Which of the Following