461 resultados para h3
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-----Ergänzungsband...1-2. Jena, G. Fischer, 1907-09. 2 v. illus., plates (part. col.) 25 cm.
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Includes bibliographies and index.
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Microfilm.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Text in Greek with commentary and notes in German.
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Integral publisher's ads [3] p. at end.
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Index, v. 4, p. [375-424].
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Bibliographical references: p. 24.
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"A chapter from Energy Security: a report to the President of the United States."
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von Dr. Mendel Hirsch, Direktor der Realschule der Israelitischen Religionsgesellschaft zu Frankfurt a.M.
Ungedruckte Stücke aus den Breslauer deutschen Maḥzor-Handschriften : mit Uebersetzung und Erklärung
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von Dr. phil. Philipp de Haas
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Thesis (Ph.D.)--University of Washington, 2016-06
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The central dogma of biology holds that genetic information normally flows from DNA to RNA to protein. As a consequence it has been generally assumed that genes generally code for proteins, and that proteins fulfil not only most structural and catalytic but also most regulatory functions, in all cells, from microbes to mammals. However, the latter may not be the case in complex organisms. A number of startling observations about the extent of non-protein-coding RNA (ncRNA) transcription in the higher eukaryotes and the range of genetic and epigenetic phenomena that are RNA-directed suggests that the traditional view of the structure of genetic regulatory systems in animals and plants may be incorrect. ncRNA dominates the genomic output of the higher organisms and has been shown to control chromosome architecture, mRNA turnover and the developmental timing of protein expression, and may also regulate transcription and alternative splicing. This paper re-examines the available evidence and suggests a new framework for considering and understanding the genomic programming of biological complexity, autopoletic development and phenotypic variation. BioEssays 25:930-939,2003. (C) 2003 Wiley Periodicals, Inc.