Sentence examples for cycles of division from inspiring English sources

In older cells that have been through many cycles of division, the telomeres may be worn away to such an extent that the cell stops dividing and becomes "senescent", or even undergoes apoptosis or "cell suicide".

Wu's group was able to isolate FGSCs from newborn and adult mice and culture them through numerous cycles of division, even freezing and thawing them without any apparent ill effects.

We have demonstrated a practical way to follow multiple fluorescent markers, and construct complete cell pedigrees over many cycles of division and growth comparable to conditions in liquid culture, combined with the ability to pulse with inducers.

In the apical meristem repeated cycles of division increase the numbers of cells.

In the apical meristem, near the root tip, new cells are continuously formed by repeated cycles of division.

As shown in Fig. 1a, the levels of SAMHD1 gradually decreased with CD4+ T-cell divisions to reach a plateau after four cycles of division.

Outside of them, though, we can find a path to escape this endless cycle of division.

This sorting was compounded in the 1980s and '90s as the clustering of educated people in certain cities produced regional wage disparities — which in turn attracted more-highly educated people to the richer cities, which in turn accentuated the economic disparities between cities, creating a cycle of division that shows little sign of relenting.

With the brakes off, the cycle of division, growth and further division continues unabated until the body can no longer support both healthy tissue and tumour.One lesson that genomics taught oncology early on is that cancers which look similar under the microscope can have completely different genetic causes and thus require different treatments.

The advantage of this scheme is that the Security Council could be unified behind a simple, direct response to any Iraqi recalcitrance instead of descending into the cycle of division and confusion that now follows each incident.PAUL ASIMOWPalisades, New YorkSIR Your leader against the embargo on Cuba (January 17th) might equally be applied to UN sanctions against Iraq.

The average frequency of SCE was determined from the analysis of 30 metaphases during the second cycle of division in three independent experiments.