Cell cycleHeLa cellsHeLa cells in a monolayer culture were synchronized to S, G2 and mitotic phases by use of excess (2.5 mM) deoxythymidine double-block technique. The localizations of Ca2++-activated adenosine triphosphatase (ATPase) at different phases of the cell cycle were studied using ...
Despite the apparent differences in cell cycle-dependent phosphorylation, mobility in native gels and affinity for DNA, the in vitro enzymatic activity of the partially purified DNA polymerase a did not appear to vary during the cell cycle. The possible biological significance of these cell cycle-...
exo70p mediates the secretion of specifi c exocytic vesicles at early stages of the cell cycle for polarized cell growth (2007). Exo70p mediates the secretion of specific exocytic vesicles at early stages of the cell cycle for polarized cell growth. J. Cell Biol. 176, ... B He,F Xi,J...
The Cell Cycle: The cell cycle is the series of events that cells go through as they grow and divide. It consists of interphase, where cells prepare for division, and mitosis, where the actual division takes place. Answer a...
Novikoff rat hepatoma ascites cells were separated by sedimentation at 1g, and populations were obtained which were highly enriched with respect to cells in specific stages of the cell cycle. Sedimentation was carried out using linear Ficoll gradients in a newly developed sedimentation chamber. This ...
1.The process of becoming mature. 2.Biology a.The processes by which gametes are formed, including the reduction of chromosomes in a germ cell from the diploid number to the haploid number by meiosis. b.The final differentiation processes in biological systems, such as the final ripening of ...
Babesia bigemina, a causative agent of bovine babesiosis, is transmitted from one bovine to another only by infected ticks. The life cycle of B. bigemina includes a sexual phase in the tick host; however, molecules from sexual stages of any Babesia species have not been characterized. This is...
Ki67 is a nuclear protein that is present during all active phases of the cell cycle (G1, S, G2 and mitosis) but is absent from resting cells (G0). Figure 1C, panel b, shows that approximately 40% of the cells were positive for this nuclear protein. In addition, Scientific ...
Alpha waves are a pattern of brain activity associated with relaxed wakefulness, whereas theta waves brain activity is associated with early stages of drowsiness or light sleep. ( Challenges with N1 sleep, such as extended sleep latency (the time spent waiting to fall asleep), may indicate the ...
During interphase, the cell replicates its DNA, produces additional organelles and cytosolic components required for cell division. It is a state of extremely high metabolic activity. Answer and Explanation:1 Prophase - Because DNA replication has already occurred during interphase, each chromosome consis...