منابع مشابه
Putting a cap on reinitiation
The authors have found that the two yeast mRNA capping enzymes, Cet1p and Ceg1p, are potent in vitro inhibitors of transcription. Cet1p, stimulated by its Ceg1p binding partner, stalled transcription by blocking reinitiation at already activated promoters. Conversely, elimination of Cet1p in vivo stimulated transcription. Although Cet1p is the first general repressor found to act at reinitiatio...
متن کاملExperimental Studies on the Conical Cap tray Performance
In the present study, experimental investigations about the hydrodynamics of the conical cap tray (ConCap tray) have been carried out. The ConCap tray is an innovative and novel type of cap trays. The effect of the different weir height (2.5, 5 and 7 cm) on the weeping, entrainment and the total pressure drop for the ConCap tray was measured, compared and correlated. The hydraulic experiments w...
متن کاملA Phrygian Cap
A Phrygian cap is a congenital anomaly of the gallbladder with an incidence of 4%. It can simulate a mass in the liver during hepatobiliary imaging and is sometimes mistaken for pathology. A Phrygian cap, however, has no pathological significance and normally causes no symptoms. A case will be presented where a Phrygian cap was found by coincidence during surgery. The patient was operated for c...
متن کاملNew Bounds on Cap Sets
The problem of the maximal size of cap sets is a characteristic 3 model for the problem of finding arithmetic progressions of length 3 in rather dense sets of integers. Meshulam [M95] , through a direct use of ideas of Roth, was able to show that there is a constant C so that any cap set A has density at most C N . Our result may be viewed as a very modest improvement over Meshulam’s result. Sa...
متن کاملCap. 9
Obsessive-compulsive disorder (OCD) is, as its name implies, characterized by obsessions (i.e., recurrent thoughts or images, particularly ones that cause distress) as well as compulsions (i.e., urges to perform mental or physical acts repeatedly), both of which significantly impair everyday functioning [1]. Obsessions are considered to be recurrent distressing impressions that something is wro...
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ژورنال
عنوان ژورنال: Constitutional Forum / Forum constitutionnel
سال: 2011
ISSN: 1927-4165
DOI: 10.21991/c9v361