checkpoint


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checkpoint

In molecular and cell biology, a process or chemical that temporarily blocks or slows a biochemical event. Checkpoint mutations are associated with the unregulated growth of some cancers.

checkpoint

points in the cell cycle of eukaryotic cells which prevent progress until each stage is satisfactorily completed.
References in periodicals archive ?
These efforts also must remain ongoing, not merely a onetime operation, to produce successful results, the same as with sobriety checkpoint programs.
1 -- color) A motorist suspected of driving with a valid license is arrested and his car impounded at Thursday's checkpoint.
Because the vehicle was not actually stopped at a checkpoint, the court hearing the motion will not apply the Brown balancing test.
Through transactions in the past year, Checkpoint has gained direct access to markets in Canada, Latin America and now Europe, and will continue to explore acquisition opportunities to enable Checkpoint to grow internationally.
2) On Tuesday night, deputies at the Lancaster checkpoint spoke with 545 motorists, of whom three had to take sobriety tests.
Applying this test to the sobriety checkpoint at issue in Sitz, the Court concluded that no one could question the seriousness of the drunk driving problem on the nation's highways and that checkpoints are a reasonably effective method of addressing the problem.
color) Sheriff's deputies set up a four-hour checkpoint Thursday on Sierra Highway opposite Lancaster Metrolink station.
If we check 700 cars in a typical checkpoint, we'll get about two complaints,'' Risinger said.
CONTACT: Kathleen Carroll of KMC Associates, 215-539-1052, for Checkpoint Systems/
In line with helping these HR professionals, Checkpoint HR offers a centralized Web-based platform that helps electronically link their payroll, HR and benefits operations.
The addition of Checkpoint ColorTag to our product line is the first step in our long-term diversification program," Wolf said.