Non-homologous end joining (NHEJ) is a pathway that repairs double-strand breaks in DNA. NHEJ is active in both non-dividing and proliferating cells.
Non-homologous end joining (NHEJ) is a pathway that repairs double-strand breaks in DNA. It is called “non-homologous” because the break ends are directly ligated
Heterochromatin
Heterochromatin is a tightly packed form of DNA or condensed DNA, which comes in multiple varieties. These varieties lie on a continuum between the two extremes