Organization of DNA in Chromatin - Bog af Henry M. Sobell - Hardback
As the DNA in our genome comprises about three billion base-pairs, with each base-pair separated by a third of a nanometer - its total length is about a meter - of all which residing within a compact form knows as chromatin. At first guess, one might think the DNA to be a wound up like a ball of yarn, but chromatin turns out to be a more complex structure, DNA being organized into hierarchical series of superhelices. Counting the right-handed double-helix as the first stage in the hierarchical ordering,..