Organization of DNA in chromosomes can be explained by weak interactions between nucleosomes, research suggests
researchers had previously used transmission electron microscopy, atomic force microscopy, and cryo-electron tomography ...
Nature3y
DNA Packaging: Nucleosomes and Chromatin
The basic repeating structural (and functional) unit of chromatin is the nucleosome ... Part of the problem lies in the fact that electron microscopy is perhaps the best way to visualize packaging ...