منابع مشابه
Dev104166 1950..1960
Apical and basolateral determinants specify and maintain membrane domains in epithelia. Here, we identify new roles for two apical surface proteins – Cadherin 99C (Cad99C) and Stranded at Second (SAS) – in conferring apical character in Drosophila tubular epithelia. Cad99C, the Drosophila ortholog of human Usher protocadherin PCDH15, is expressed in several embryonic tubular epithelial structur...
متن کامل244-247 Saul
Family Planning Perspectives In 1996, as well, the Food and Drug Administration (FDA) took significant steps toward approving the use of medical (nonsurgical) abortion in the United States, essentially by “preapproving” the use of mifepristone, popularly known as RU 486, as an abortifacient; final approval is pending information on manufacturing and labeling. In addition, FDA cleared the way fo...
متن کاملAaron Abrams and Saul Schleimer
J. Hempel in [6] showed that the set of distances of the Heegaard splittings (S,V , hn(V)) is unbounded, as long as the stable and unstable laminations of h avoid the closure of V ⊂ PML(S). Here h is a pseudo-Anosov homeomorphism of a surface S while V is the set of isotopy classes of simple closed curves in S bounding essential disks in a fixed handlebody. With the same hypothesis we show that...
متن کاملMinireview Fluorescence lifetime , yield , energy transfer and spectrum in photosynthesis , 1950 – 1960 ∗
The fluorescence lifetime of chlorophyll a gives information about the primary photo-physical events in photosynthesis. Most of the light energy absorbed by chlorophylls is utilized for photochemistry. There are two main additional pathways competing for the absorbed light energy: fluorescence and radiationless internal conversion (heat). Only a few percent of the absorbed energy proceeds along...
متن کاملWhen technology became language: the origins of the linguistic conception of computer programming, 1950-1960.
Language is one of the central metaphors around which the discipline of computer science has been built. The language metaphor entered modern computing as part of a cybernetic discourse, but during the second half of the 1950s acquired a more abstract meaning, closely related to the formal languages of logic and linguistics. The article argues that this transformation was related to the appeara...
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ژورنال
عنوان ژورنال: Miranda
سال: 2015
ISSN: 2108-6559
DOI: 10.4000/miranda.7488