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High Quality Content by WIKIPEDIA articles! Shark finning refers to the removal and retention of shark fins and the discard at sea of the carcass. The shark is most often still alive when it is tossed back into the water. The finless sharks are unable to swim and sink to the ocean bottom and die. Shark finning takes place at sea so the fishers only have to transport the fins. Shark meat is considered low value and therefore not worth the cost of transporting the bulky shark bodies to market. Longlines, used in shark finning operations, are the most significant cause of losses in shark populations worldwide. Shark finning is widespread, and largely unmanaged and unmonitored. Shark finning has increased over the past decade due to the increasing demand for shark fins such as for Chinese shark fin soup and traditional cures, improved fishing technology, and improved market economics.

Gary Walsh

Proteins: Biochemistry and Biotechnology is a definitive source of information for all those interested in this area, providing a broad overview of the various medical, diagnostic and industrial uses of proteins. The text, which has evolved from an earlier book ? Protein Biotechnology ?, provides the reader with the latest developments in the field and offers a varied selection of relevant case study material. Initial chapters focus upon issues such as protein structure, folding, stability, purification and characterization. Later chapters detail the industrial production of proteins, and their applications in medicine, analysis and industry. This book will be invaluable to undergraduates pursuing degrees in biotechnology, biochemistry, microbiology or molecular biology. It will also be directly relevant to those studying medicine, pharmaceutical science or related topics in the biomedical sciences. Also ideal as a reference source for commercial managers and...

Klaus Immelmann, Colin Beer

This dictionary clearly and accurately defines more than 600 terms used in ethology, the science of animal behavior, in entries of one or two paragraphs. While there are several reference books dealing with ethology, the only real rival to this title is The Oxford Companion to Animal Behavior , edited by David McFarland (Oxford Univ. Pr., 1982), which covers half as many terms in twice as many pages, has hundreds of illustrations, and an index to the animals mentioned in the text. Smaller libraries can get by with the Oxford reference while larger libraries and natural history collections should have both titles. - Jonathan F. Husband, Framingham State Coll. Lib., Mass. Language Notes Text: English, German (translation)

Robert W. Bauman

The Third Edition of Microbiology with Diseases by Taxonomy is the most cutting-edge microbiology book available, offering unparalleled currency, accuracy, and assessment. The state-of-the science approach begins with a compelling focus on emerging diseases and diseases students will encounter in clinical settings. Student comprehension is ensured with end-of-chapter practice that encompasses both visual and conceptual understanding. With this revision, both students and instructors will benefit from the practice and assessment available with the new, unrivaled MasteringMicrobiology™ program.

Deborah T. Goldberg

This new edition prepares students to succeed when they take the SAT Subject Test in Biology E/M (Ecology and Molecular). The manual presents a short diagnostic test and two full-length Biology E/M practice tests with all questions answered and explained. It also includes a test overview and an extensive subject review that covers all test topics. Формат: 21,5 см x 27,5 см.

High Quality Content by WIKIPEDIA articles! Quorum sensing is a type of decision-making process used by decentralized groups to coordinate behavior. Many species of bacteria use quorum sensing to coordinate their gene expression according to the local density of their population. Similarly, some social insects use quorum sensing to make collective decisions about where to nest. In addition to its function in biological systems, quorum sensing has several useful applications for computing and robotics. Quorum sensing can function as a decision-making process in any decentralized system, as long as individual components have (a) a means of assessing the number of other components they interact with and (b) a standard response once a threshold number of components is detected.

High Quality Content by WIKIPEDIA articles! "Resurrection ecology" is an evolutionary biology technique whereby researchers hatch dormant eggs from lake sediments to study animals as they existed decades ago. It is a new approach that might allow scientists to observe evolution as it occurred, by comparing the animal forms hatched from older eggs with their extant descendants. One such researcher in the field is W. Charles Kerfoot of Michigan Technological University whose results were published in the journal Limnology and Oceanography. He reported on success in a search for "resting eggs" of zooplankton that are dormant in Portage Lake on Michigan's Upper Peninsula. The lake has undergone a considerable amount of change over the last 100 years including flooding by copper mine debris, dredging, and eutrophication.

DEEPAK PANT

Distillery wastewater is generated during alcohol production and causes enormous pollution. Existing treatment methods use large quantities of water, are pollutant specific, less efficient and expensive than simple discharge without treatment. This book presents research focused on isolating microorganisms from effluent contaminated sites, capable of decolorizing the distillery effluent. Characterization of isolates was done and effect of pH, temperature and effluent concentration on growth of selected fungal isolates was investigated. Efforts were made to enhance the enzyme activity of the fungal isolates by choosing different growth substrates. An attempt was made to reduce the high nitrogen content in the distillery wastewater, which was identified as a deterrent in the growth of fungi at higher concentration of the effluent using a novel hydroponic treatment step before its treatment by immobilized fungi. The real industrial wastewater was treated employing the...

Novartis Foundation

This book explores existing and potential strategies for using the genome sequences of human, mouse, other vertebrates and human pathogens to solve key problems in the treatment of immunological diseases and chronic infections. The assembled genome sequences now provide important opportunities for solving these problems, but a major bottleneck is the identification of key sequences and circuits controlling the relevant immune reactions. This will require innovative, interdisciplinary and collaborative strategies of a scale and complexity we are only now beginning to comprehend. Specific problems addressed include the following: What kinds of information are we lacking to understand how the genome sequence specifies the differentiation and response of immune system cells, and system behaviour such as immunological memory and tolerance? Which genome sequences and cellular circuits cause or prevent pathological immune responses to foreign...

High Quality Content by WIKIPEDIA articles! High Quality Content by WIKIPEDIA articles! A taxis (plural taxes, pronounced /?t?ksi?z/) is an innate behavioral response by an organism to a directional stimulus or gradient of stimulus intensity. A taxis differs from a tropism (turning response, often growth towards or away from a stimulus) in that the organism has motility and demonstrates guided movement towards or away from the stimulus source. It is sometimes distinguished from a kinesis, a non-directional change in activity in response to a stimulus that results in the migration toward or away from a stimulus.