For example, p53 is a main checkpoint regulator in G1/S phase, while checkpoint kinase 1/2 (CHK1/22, CHK1/2) is crucial in S and G2/M checkpoints.
ARP functions range from specialized effects on conventional G- and F-actin structures to structural roles that are apparently independent of actin; for example, ARP1 is a main component of the dynactin complex [ 17].
The T. rex, one of the most important examples ever discovered, is a main attraction in the dinosaur hall at the Carnegie Museum of Natural History.
Markets also fail if the damaging activity is not captured by a price but rather is shared by society: pollution, whether of air, ground or water, is the main example of where, as a result, corporate and social interests collide.
Eating is the main example of this, but lying is another one: it's a developmental milestone when children start lying to you, because they're starting to understand that they have distinct interior lives, not necessarily visible to all, and they're testing the limits of this invisibility.
Outlook is the main example, but Time & Chaos 7, Pimero and EssentialPIM might be worth a look.
For example, Clocker's Corner [where trainers, jockeys and fans gather in the morning to watch workouts] is the main example of something I couldn't do.
In contrast, lung transplantation is the main example of partial cold ischemia reperfusion injury.
Crucially, it is also the main example of so-called "open-source" software, which is developed by a community of volunteers who share the programming instructions freely.
