I speak, of course, about checkpoints.
In the time-course study of checkpoint kinase 2 (CHK2) phosphorylation, H460 cells were treated with Cr VI) for 3 hr and collected for protein extraction at 0, 2, 4, and 8 hr postexposure.
Since Sept. 11, the most anxious part of a trip for many air passengers has been the airports' obstacle courses of security checkpoints.
Except, of course, for the checkpoint on the road in, where a guard takes your license plate number, or the chain-link fences topped with both barbed and razor wire.
The course was divided into a series of checkpoints.
Of course, security checkpoint agents, such as the Transportation Security Administration in the US, could also adopt smart glasses to help speed up identification.
"Heaven forbid we end up in a situation where in the course of a gunfight at a checkpoint, civilians were killed by friendly fire," he said.
The Quest has nine checkpoints along a course of roughly similar length, which means mushers pack their sleds for longer runs and endure more campouts in bush country.
And then just because the Alcan rally will include 100 or so checkpoints over the course of nine days, the winner could have a score of 6,000 or so, right?
Residents are fed up with the constant negotiating of checkpoints and other barriers, the pervasive uncertainty and, of course, the lingering danger, highlighted by the frequent detonation of artillery and mortar rounds.
We went through a number of checkpoints, eventually walked around to the front gates, and of course the guards there with guns are like, no you can't come in.
