The Principles of Classification and a Classification of Mammals PDF Download
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Author: George Gaylord Simpson
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 378
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Book Description
Author: George Gaylord Simpson
Publisher:
ISBN:
Category : Animals
Languages : en
Pages : 378
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Book Description
Author: Malcolm C. McKenna
Publisher: Columbia University Press
ISBN: 9780231528535
Category : Science
Languages : en
Pages : 654
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Book Description
-- Jean-Louis Hartenberger, Nature
Author: Instituto Oswaldo Cruz
Publisher:
ISBN:
Category : Bacteriology
Languages : pt-BR
Pages : 746
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Book Description
Author: B. M. Funnell
Publisher: Cambridge University Press
ISBN: 0521076420
Category : Science
Languages : en
Pages : 842
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Book Description
This 1971 volume presents the proceedings of a Symposium of Micropalaeontology of Marine Bottom Sediments held in Cambridge, England, in September 1967. The collection and paleontological interpretations of deep-sea sediments had only been carried out intensively for the twenty years preceding the book's publication, and it provides a summary of the state of knowledge in this field as it stood. Beginning with a consideration of the organisms in relation to the water in which they live, successive chapters deal with the descent of the skeletons to the sea floor, their entombment in the sediments and their interpretation to elucidate the history of the oceans. It is written by many of the specialists responsible for the development of this field and includes numerous Russian contributions. This book became the definitive compendium for students and workers in oceanography and palaeontology, and is still a useful resource today.
Author: William Berryman Scott
Publisher:
ISBN:
Category : Mammals
Languages : en
Pages : 732
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Author: William Whitaker
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 446
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Author: Arieh Zaritsky
Publisher: Frontiers Media SA
ISBN: 2889198170
Category : Bacteria
Languages : en
Pages : 326
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Book Description
Bacterial Physiology was inaugurated as a discipline by the seminal research of Maaløe, Schaechter and Kjeldgaard published in 1958. Their work clarified the relationship between cell composition and growth rate and led to unravel the temporal coupling between chromosome replication and the subsequent cell division by Helmstetter et al. a decade later. Now, after half a century this field has become a major research direction that attracts interest of many scientists from different disciplines. The outstanding question how the most basic cellular processes - mass growth, chromosome replication and cell division - are inter-coordinated in both space and time is still unresolved at the molecular level. Several particularly pertinent questions that are intensively studied follow: (a) what is the primary signal to place the Z-ring precisely between the two replicating and segregating nucleoids? (b) Is this coupling related to the structure and position of the nucleoid itself? (c) How does a bacterium determine and maintain its shape and dimensions? Possible answers include gene expression-based mechanisms, self-organization of protein assemblies and physical principles such as micro-phase separations by excluded volume interactions, diffusion ratchets and membrane stress or curvature. The relationships between biochemical reactions and physical forces are yet to be conceived and discovered. This e-book discusses the above mentioned and related questions. The book also serves as an important depository for state-of-the-art technologies, methods, theoretical simulations and innovative ideas and hypotheses for future testing. Integrating the information gained from various angles will likely help decipher how a relatively simple cell such as a bacterium incorporates its multitude of pathways and processes into a highly efficient self-organized system. The knowledge may be helpful in the ambition to artificially reconstruct a simple living system and to develop new antibacterial drugs.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 444
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Book Description
A list of publications on geology, mineralogy, and palæontology.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 472
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Book Description
Author: Eileen R. Larence
Publisher: DIANE Publishing
ISBN: 1437901972
Category : Political Science
Languages : en
Pages : 117
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Book Description
In general, a fusion center is a collaborative effort to detect, prevent, investigate, and respond to criminal and terrorist activity. Recognizing that fusion centers are a mechanism for information sharing, the fed. gov¿t. -- including the Dept. of Homeland Security, the Dept. of Justice, and the Program Manager for the Information Sharing Environment, which has primary responsibility for governmentwide information sharing and is located in the Office of the Dir. of Nat. Intelligence -- is taking steps to partner with fusion centers. This report examines: (1) the status and characteristics of fusion centers; and (2) to what extent fed. efforts help alleviate challenges that the centers identified. Includes recommendations. Illustrations.
