TAILIEUCHUNG - Báo cáo y học: " Metabolic scaling: consensus or controversy?"

Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học quốc tế cung cấp cho các bạn kiến thức về ngành y đề tài: Metabolic scaling: consensus or controversy? | Theoretical Biology and Medical Modelling BioMed Central Review Metabolic scaling consensus or controversy Paul S Agutter 1 and Denys N Wheatley2 Open Access Address theoretical and Cell Biology Consultancy 26 Castle Hill Glossop Derbyshire SK13 7RR UK and 2BioMedES Hilton Campus MG7 Aberdeen AB24 4FA UK Email Paul S Agutter - tcbc26@ Denys N Wheatley - wheatley@ Corresponding author Published 16 November 2004 Received 10 July 2004 Accepted 16 November 2004 Theoretical Biology and Medical Modelling 2004 1 13 doi 1742-4682-1-13 r This article is available from http content 1 1 13 2004 Agutter and Wheatley licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background The relationship between body mass M and standard metabolic rate B among living organisms remains controversial though it is widely accepted that in many cases B is approximately proportional to the three-quarters power of M. Results The biological significance of the straight-line plots obtained over wide ranges of species when B is plotted against log M remains a matter of debate. In this article we review the values ascribed to the gradients of such graphs typically according to the majority view and we assess various attempts to explain the allometric power-law phenomenon placing emphasis on the most recent publications. Conclusion Although many of the models that have been advanced have significant attractions none can be accepted without serious reservations and the possibility that no one model can fit all cases has to be more seriously entertained. Introduction Kleiber and metabolic scaling In 1932 Kleiber published a paper in an obscure journal 1 showing that standard metabolic rates among .

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