foundations of bioenergetics

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Foundations Of Bioenergetics

Author : Harold J. Morowitz
ISBN : UOM:39015004364116
Genre : Science
File Size : 29. 90 MB
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Molecular Basis And Thermodynamics Of Bioelectrogenesis

Author : E. Schoffeniels
ISBN : 0792309758
Genre : Science
File Size : 78. 46 MB
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Despite the fact that many years have elapsed since the first microcalorimetric measurements of an action potential were made, there is still among the research workers involved in the study of bioelectrogenesis a complete overlooking of the most fundamental principle governing any biological phenomenon at the molecular scale of dimension. This is surprising, the more so that the techniques of molecular biology are applied to characterize the proteins forming the ionic conducting sites in living membranes. For reasons that are still obscure to us the molecular aspects of bioelectrogenesis are completely out of the scope of the dynamic aspects of biochemistry. Even if it is sometimes recognized that an action potential is a free energy-consuming, entropy-producing process, the next question that should reasonably arise is never taken into consideration. There is indeed a complete evasion of the problem of biochemical energy coupling thus reducing the bioelectrogenesis to only physical interactions of membrane proteins with the electric field: the inbuilt postulate is that no molecular transformations, in the chemical sense, could be involved.

Bioenergetics

Author : Lars Garby
ISBN : 0521451434
Genre : Medical
File Size : 82. 88 MB
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The original authors-see later for detail

Seabird Ecology

Author : R. W. Furness
ISBN : 9781461320937
Genre : Science
File Size : 31. 55 MB
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In the last few years there has been an excltmg upsurge in seabird research. There are several reasons for this. Man's increased ex ploitation of natural resources has led to a greater awareness of the potential conflicts with seabirds, and of the use of seabirds to indicate the damage we might be doing to our environment. Many seabird populations have increased dramatically in numbers and so seem more likely to conflict with man, for example through competition for food or transmission of diseases. Oil exploration and production has resulted in major studies of seabird distributions and ecology in relation to oil pollution. The possibility that seabirds may provide information on fish stock biology is now being critically investigated. Some seabird species have suffered serious declines in numbers and require conservation action to be taken to reduce the chances that they will become extinct. This requires an understanding of the factors determining their population size and dynamics.

Bioenergetics Primer For Exercise Science

Author : Jie Kang
ISBN : 0736062416
Genre : Science
File Size : 71. 79 MB
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Although there are chapters in exercise physiology texts and a few books on the topics of human bioenergetics and energy metabolism, those chapters and books often do not cover the pertinent information in sufficient detail and are generally highly research oriented or outdated. Bioenergetics Primer for Exercise Scienceis an up-to-date text that encompasses all available information regarding human bioenergetics and energy metabolism and brings together diverse issues that are of theoretical interest and practical importance. Written as a primer, this text explains the foundational and critical knowledge and research findings in bioenergetics and the application of those findings. To evaluate research more knowledgeably and decide which techniques best fit their own research, students and professionals will learn about lab- and field-based techniques used to measure energy metabolism, including lipid metabolism. In addition to bioenergetics concepts and research, the text emphasizes the metabolic challenges brought about by obesity and diabetes. A dedicated chapter discusses metabolic impairments associated with both diseases, alterations in metabolism during exercise for affected individuals, and the role of exercise in enhancing energy utilization and improving glucose response and insulin sensitivity. The text also provides a more specific discussion of bioenergetics applied to the subpopulations of children, elderly people, and women. Without weighing down the reader will highly academic and technical jargon, the text explains the science behind energy metabolism in an accessible and inclusive format specifically designed for exercise science students studying areas other than bioenergetics and professionals working in related areas such as health and fitness, nutrition, and weight management. Bioenergetics novices will appreciate the cohesive presentation of information within a four-part structure: -Part Iillustrates how carbohydrate, fat, and protein are metabolized and converted into energy for sport and physical activity. It conveys basic but critical information before pursuing more advanced topics in bioenergetics. -Part IIpresents lab- and field-based techniques for measuring energy metabolism, including a variety of instrumentations and protocols commonly used to assess energy and fuel utilization. Connections to sport and physical activity, including the energy cost of walking, running, cycling, and resistance exercise, are emphasized. Strategies that can be used to enhance energy utilization with special focus on weight management are also introduced. -Part IIIexplores ideas and strategies for enhancing energy production and expenditure. Metabolic adaptations to exercise training are covered (such as changes in cellular function, fuel utilization, and oxygen uptake after aerobic, anaerobic, and resistance training). Special attention is given to obesity and diabetes, primarily the effect of glucose responses and insulin sensitivity on affected populations and how age, gender, and metabolic diseases affect those populations. -Part IVdiscusses additional aspects of bioenergetics, including factors influencing resting metabolic rate and the thermic effect of food and its relationship to physical activity and obesity. Also included is a discussion of intended use, working mechanism, related research, and potential side effects for select pharmacologic and nutritional substances. Helpful textbook features such as chapter summaries, key point boxes, key terms bolded in the text and defined in the glossary, review questions with an appendix of answers, and an extensive reference list make this text ideal for effective learning and retention for students. More in-depth than cursory discussions found in exercise physiology texts and more practical and accessible than dedicated bioenergetics texts, Bioenergetics Primer for Exercise Scienceencompasses all the up-to-date research and information regarding human bioenergetics and energy metabolism, offering both students and professionals a depth of knowledge that will inform their further study, research, and profession. Bioenergetics Primer for Exercise Scienceis the third volume in Human Kinetics' Primers in Exercise Science Series. This series presents a foundational understanding of the science behind each topic in the series and, when appropriate, its application. Written by leading researchers and teachers in their respective areas of expertise, these books convey the essential concepts in dynamic, complex areas of scientific knowledge using an accessible writing style. Designed for quick reference and ease of assimilation, these books provide students and professionals with up-to-date foundational knowledge in an otherwise unfamiliar scientific area. Other books that have appeared in the series include Biochemistry Primer for Exercise Science, Third Edition,by Michael E. Houston and Genetics Primer for Exercise Science and Healthby Stephen M. Roth.

The Biophysical Foundations Of Human Movement

Author : Bruce Abernethy
ISBN : 0736042768
Genre : Health & Fitness
File Size : 53. 46 MB
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This comprehensive book presents an integrated study of human movement and applies this knowledge to human performance and physical activity across the lifespan. The Biophysical Foundations of Human Movement, Second Edition, considers basic methods and concepts, typical research questions, key historical developments, professional training and organizations, and suggestions for further reading within each subdiscipline. The authors offer a unique perspective on the subdisciplines by exploring not only the basic science but also the changes in human movement and movement potential that occur throughout the lifespan as well in response to training, practice, and other lifestyle factors.

Gas Enzymology

Author : Hans Degn
ISBN : 9027719004
Genre : Science
File Size : 23. 82 MB
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Being small, shapeless and inert a gas molecule does not seem to be an enzyme's dream of a substrate. Nevertheless evolution has provided a host of enzymes which can interact specifically with gas molecules such as oxygen, carbon dioxide, nitrogen, hydrogen etc. Many of these enzymes play dominant roles on the world scene in biogeochemical cycles. On the cellular level they tend to be closely connected to the energy conserving apparatus. We define Gas Enzymology as the study of these enzymes. Historically, Gas Enzymology is a subspecialty of bioenergetics. Its foundations, technical as well as conceptual were laid by Warburg in his studies of the cellular combustion of nutrients. The Warburg apparatus supported the first thirty years of research in the field. It was succeeded by the Clark electrode which had its heyday during the period when the modern concepts of bioenergetics took shape. The Clark electrode, itself approaching thirty years of age, is now being sup plemented and in some cases replaced by the vastly more powerful membrane inlet mass spectrometer which measures with equal ease all dis solved gases of interest in biochemistry. It is our belief that future development of Gas Enzymology will be linked to the widespread exploit ation of this technique.

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