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8711-8720 of 14737 results in All results

Biology of Fertilization V3

  • 1st Edition
  • November 11, 2012
  • Charles Metz
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 8 4 3 - 6
The Fertilization Response of the Egg is the third and final volume of the Biology of Fertilization which provides a detailed discussion of the responses of the egg to the fertilizing sperm, collectively called as the activation of the egg. It is an anthology of physiological articles written by biology and physiology professionals. The book is divided into 12 chapters, half of which focused on the sea urchin egg fertilization, as it is the most studied form. The first two chapters cover the discussions on the first visible egg responses to fertilization and the formation of the fertilization membrane. The following chapter describes the relationship of sperm entry into the amphibian egg and the establishment of the symmetry of the embryo. Other chapters focus on the electrical and ionic changes of the egg plasma membrane and cytoplasm. The remaining parts of the book describe the synthetic activities in the egg that are initiated during fertilization. These include description of DNA and maternal RNA syntheses, nuclear-cytoplasm interactions, protein synthesis during oogenesis and early embryogenesis, and the expression of maternal messenger RNA. The book is an excellent reference for undergraduate and graduate biology students, specifically in physiology, embryogenesis, and developmental biology. It can also be an invaluable source of information for lecturers and professionals in biology.

Forage in Ruminant Nutrition

  • 1st Edition
  • November 11, 2012
  • Dennis Minson
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 7 9 8 - 9
Forage in Ruminant Nutrition is the 12th text in a series of books about animal feeing and nutrition. The series is intended to keep readers updated on the developments occurring in these fields. As it is apparent that ruminant animals are important throughout the world because of the meat and milk they produce, knowledge about the feeds available to ruminants must also be considered for increased production and efficiency. This text provides information that readers will find considerably invaluable about forage feeds, such as grass, legumes, hay, and straw. The book is composed of 16 chapters that feature the following concepts of ruminant forage feeding: • composition of ruminant products and the nutrients required for maintenance and reproduction; • energy and nutrient available in forage: calcium, phosphorus, magnesium, sodium, copper, iodine, zinc, manganese, selenium, and cobalt; • intake of forage by housed ruminants; • grazing; • forage digestibility; • protein in ruminant nutrition; • protein and other nutrient deficiencies. This volume will be an invaluable reference for students and professionals in agricultural chemistry and grassland and animal husbandry researches.

Meiosis

  • 1st Edition
  • November 11, 2012
  • Peter Moens
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 5 1 9 1 - 7
Meiosis is a monograph focused on meiosis-specific functions. It presents a discussion on the genetic regulations of meiosis and aims to direct readers on future research by reporting a number of studies on progress. The text is divided into four parts and consists of 12 chapters. After an introduction to the meiotic process, the first part of the book narrates the genetic transmission and the evolution of reproduction and parthenogenesis. The second part presents the concepts of recombination, the heteroduplex model, and the genetic control of biochemical events in meiotic recombination. The third part covers the information about the chiasmata and synaptonemal complex, including the Rabl orientation. The text is then concluded by the fourth part that covers the biochemical basis of meiosis. The book is an excellent reference for undergraduate and graduate students in biological courses, specifically in genetics, biochemistry, and cell, developmental, and molecular biology. Lecturers, researchers, and other professionals in the same field will also find this book useful.

Auditory Physiology

  • 1st Edition
  • November 11, 2012
  • Aage Moller
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 5 6 1 9 - 6
Auditory Physiology describes the functions of the ear and the auditory nervous system, using well-documented research work. This book explains the physiology of the ear, the general function of the auditory nervous system, and its anatomy. This text also discusses in detail the neurophysiological basis for discriminating frequency and time. This discrimination refers in particular to (1) the ability to distinguish two sounds on the basis of their frequencies when the two sounds are not presented at the same time; and (2) the ability to discriminate one spectral component in a complex sound that contains several spectral components. This book notes that for low frequencies, temporal analysis is more useful in processing complex sounds than the simple determination of energy in different frequency bands. Research shows that particular spatial patterns of response to different characteristic of complex sounds can exist, which are not feature detectors such as neurons specifically tuned to special and complex properties of a certain stimulus. This book can prove beneficial for physiologists, neurobiologists, neurophysiologists, general medical practioners, and EENT specialists.

Foundations of Bioenergetics

  • 1st Edition
  • November 11, 2012
  • Harold Morowitz
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 5 4 0 5 - 5
Foundations of Bioenergetics provides an introduction to the physical foundations of bioenergetics and the methods of applying these constructs to biological problems. It combines parts of thermal physics, biochemistry, ecology, and cellular and organismic biology into a single coherent work. Much of the material in this volume comes from ""Entropy for Biologists,"" an introductory thermodynamics book aimed particularly at life scientists. Some of the topics originally appeared in the monograph ""Energy Flow in Biology."" The current volume expands on that material with respect to biological applications and attempts to bridge the gap between physics and biology. The book explains basic concepts such as energy, temperature, the second law of thermodynamics, entropy, information theory, and statistical mechanics. It discusses the relations between thermodynamics and statistical mechanics, free-energy functions, radiant energy, the free energy of cells and tissue, chemical kinetics, and cyclic flows. It examines the relationships between energy flows and biological processes; applications of the concepts of Gibbs free energy, chemical potential, and activity; and measurements of temperature, energy, and thermochemical quantities. The book also includes chapters that deal with irreversible dynamics, irreversible theory, and osmotic flow.

Origins of Inbred Mice

  • 1st Edition
  • November 11, 2012
  • Herbert C. III Morse
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 2 8 3 - 0
Origins of Inbred Mice documents the proceedings of a symposium on the state of knowledge on inbred mice held in Bethesda, Maryland, in 1978. The book is organized into seven parts. Part I provides introductory remarks on the history of the development of inbred mice. Part II contains papers that examine mutations of inbred strains of mice. Part III contains studies dealing with viruses that affect inbred mice, including those that cause leukemia and mammary tumors. Part IV examines histocompatibility genes and their antigens; cell surface antigens of mouse leukemia; the characteristics of genes of the Tla region of the mouse; and the use of recombinant inbred strains in gene mapping. Part V presents studies on differences among sublines of inbred mouse strains. The papers in Part VI focus on wild mice, covering their classification and biochemical polymorphisms. Finally, Part VIII discusses the viruses, T locus, and histocompatibility antigens of wild mice.

Responses of Plants to Air Pollution

  • 1st Edition
  • November 11, 2012
  • J.B. Mudd
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 5 2 2 6 - 6
Responses of Plants to Air Pollution examines the effects of air pollutants, individually and synergistically, on both higher and lower plants. The subject matter overlaps into a wide range of disciplines including agronomy, plant anatomy, biochemistry, cryptogamic botany, ecology, entomology, forestry, horticulture, landscape architecture, meteorology, microscopy, plant pathology, plant physiology, and soil science. The opening chapter presents an overview of sources of air pollution, costs of air pollution, and mechanisms of pollution injury to plants. Separate chapters on sulfur dioxide, ozone, fluorides, peroxyacyl nitrates, oxides of nitrogen, and particulates follow. Subsequent chapters are devoted to plant responses to combinations of pollutants; to effects of pollutants on plant ultrastructure, on forests, and on lichens and bryophytes; to interactions of pollutants with canopies of vegetation; to interactions of pollutants and plant diseases; and to interactions of pollutants with agricultural practices. This book will be useful to scientists in many disciplines as well as those who share the concern that clean air can no longer be expected to be the normal environment for plants or animals. The book will also be a valuable a reference work or text for upper level undergraduate students, graduate students, researchers, and growers of plants.

Problems with Temperature Regulation During Exercise

  • 1st Edition
  • November 11, 2012
  • Ethan Nadel
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 6 0 9 8 - 8
Problems with Temperature Regulation during Exercise covers the proceedings of the 1976 Problems of Temperature Regulation during Exercise symposium in conjunction with the American College of Sports Medicine meeting, held in Anaheim, California. This book contains seven chapters that consider the various aspects of a specialized problem within the broader area of temperature regulation and exercise physiology. After briefly providing an overview of the temperature regulation during exercise, this text goes on discussing the physical means by which heat is transferred both within the body and between the body and its environment. These topics are followed by a presentation of the physiological systems that control the rates of heat transfer. The subsequent chapters examine the conditions in which the controlling systems are limited in their abilities to transfer heat and to adapt in their capabilities. The remaining chapters explore the specific influences that enhance heat dissipation mechanisms at a given level of central thermoregulatory drive. This work is of great benefit to circulatory physiologists and biophysicists.

Protein-Calorie Malnutrition

  • 1st Edition
  • November 11, 2012
  • Robert Olson
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 8 1 7 - 7
Protein-Calorie Malnutrition reviews the state of knowledge of metabolic phenomena in the syndromes embraced by the general term protein-calorie malnutrition (PCM), and places this new knowledge in perspective with the traditional descriptions of kwashiorkar and marasmus. The clarification it provides constitutes a benchmark for design of future programs of prevention, therapy, rehabilitation, research, or teaching. Highly noteworthy are the new advances in amino acid and protein metabolism; the enlightening evidence concerning lysine and carnitine; the evidences of derangements or deficiencies of the broad spectrum of nutrients from carbohydrates to vitamins and minerals; and the implications of these for recovery and therapy. This book includes papers on the following: the impact of age on amino acid requirements; the mechanisms of adaptation to low-protein intakes; the metabolic consequences of essential amino acid deficiency in higher animals; carbohydrate metabolism; vitamin deficiencies associated with PCM; and mineral metabolism in PCM. Other studies deal with the effects of malnutrition on endocrine function; liver function in PCM; the synergistic interaction of malnutrition and infection; and the treatment and prevention of PCM.

Molecular Basis of Thyroid Hormone Action

  • 1st Edition
  • November 11, 2012
  • Jack Oppenheimer
  • English
  • eBook
    9 7 8 - 0 - 3 2 3 - 1 4 7 4 5 - 3
Molecular Basis of Thyroid Hormone Action focuses on the actions of thyroid hormones in eukaryotic cells. This book discusses the profound effects of thyroid hormones on the growth, development, and metabolism of practically all tissues of higher organisms. Organized into 15 chapters, this volume starts with an overview of the kinetic interrelationships of hormone bound to specific receptors and hormone associated with other tissue and plasma pools in living animals. This book then discusses the thyroid hormone receptor, a chromatin-associated protein that appears to mediate the actions of the thyroid hormones in mammalian cells. Other chapters consider the localization of the receptors in chromatin. This book further discusses how thyroid hormones stimulate the accumulation of specific mRNA molecules in cell culture as well as in tissues in vivo. This book is intended for readers who are interested in cell and molecular biology. Endocrinologists will also find this book extremely useful.

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