So often, via the news, we get the tales of tragedy, of the Med swallowing criminally dodgy joke-boats, and the obligatory portentous pause before moving on to a "story" about bloody Top Gear or somesuch… I don't know, Kim Kardashian's tweeting bumcrack.
"G-Force," directed by Hoyt Yeatman, lives up to its promise to provide nearly an hour and a half of semicrude jokes and big effects, pausing for an obligatory scene of heartfelt lesson learning, in which the guinea pigs are encouraged to believe in themselves.
An alternative view poses that the elemental pause state is not obligatory and attributes most pauses to backtracking.
(Scheme III ) Once the 3′ splice site is reached, an obligatory checkpoint forces the polymerase to pause until the splicing reaction completes.
Importantly, flies oriented away from the screen both in trials where they paused and trials they did not (Supplementary Fig. 3e, f) suggesting that pausing is not an obligatory element of an escape response.
Allow me to pause momentarily to offer the obligatory distinction between montepulciano, the grape, which is grown in the Abruzzi region and northward into Le Marche, and Montepulciano, a town in Tuscany and the source of a very different wine known as vino nobile di Montepulciano, made from the sangiovese grape.
This result indicates that the pause observed at position 15 is an obligatory event, that is, is an 'in pathway' translocation pause.
After a pause, processive stepping could only resume once the kinesin molecule took an obligatory, terminal backstep, exchanging the positions of its front and rear heads, presumably to allow release of the bound analog from the new front head.
