Chemotherapy drugs typically attack cells that are proliferating rapidly. Expression can be seen irrespective of whether the neurons are proliferating, migrating or differentiating. When cells are not proliferating, E2F DNA binding sites contribute to transcriptional repression. Now the cells are rapidly proliferating and beginning demethylation in two waves. BrdU is commonly used in the detection of proliferating cells in living tissues. Without hormonal regulation and organization, plants would be merely proliferating heaps of similar cells. Cyclin D levels stay low in resting cells that are not proliferating. Neurospheres can produce self-renewing and proliferating specialized cells. Pleomorphic pattern is caused by antibodies to the proliferating cell nuclear antigen. Transposable elements are self-replicating, selfish genetic elements which are capable of proliferating within host genomes. Leah's vomit is shown magnified, where strange bacteria is proliferating exponentially. Serbia slipped into accelerated fragmentation and internecine warfare among the proliferating regional princes. Texts that were both utilitarian and egalitarian were proliferating everywhere. After sterilization, the containing can prevents microorganisms from entering and proliferating inside. The total population remained low, proliferating weakly harmful genes, and precluding effective long-distance networks.