biology of aquatic organisms

... adenohypophysis » vascular sac Biology of Aquatic Organisms Fish anatomy 31 Internal morphology Internal morphology - - shark shark • Sensory systems –eye •retina Biology of Aquatic Organisms Fish anatomy ... chain of mineralised blocks Biology of Aquatic Organisms Fish anatomy 11 Internal morphology Internal morphology - - shark shark • Integumentary system – skin • placoid scale – basal plate of ... cavity » layer of odontoblasts » entrance of blood vessels and nerves – enameloid » hypermineralised bone- like tissue – function » protection » improves hydrodynamics Biology of Aquatic Organisms...

Ngày tải lên: 15/12/2013, 03:15

... to the development of plants with biofarming potential in the frame of a high demand of natural and ecologically accepted sources of renewable compounds and materials. 4 Use of Cyanobacterial ... the evolution of vascular plants. The case of Fld and Cyt c 6 shows that reintroduction of these genes in the proper subcellular compartment of model and crop plants restored some of the selective ... roots and stolons of Glycyrrhiza plants is glycyrrhizin, which has the sweetness of about 200 times greater than that of sucrose. Glycyrrhizin is a conjugate of two molecules of glucuronic acid and...

Ngày tải lên: 25/10/2013, 05:20

... anaerobic, spores Clostridium spp Viruses  DNA or RNA  Shell of protein (capsid) surrounding nucleic acid  Classification on basis of nucleic acid  DNA viruses: eg Herpes simplex virus (HSV)  RNA ... Varicella zoster virus (VZV)  VZV: Chickenpox  VZV: Shingles  Re-activation of latent infection  Suppression of cell mediated immunity Fungi  Eukaryotes  Rigid chitinous cell walls  Antifungal ... budding reproduction  eg Candida, Cryptococcus RNA viruses: Influenza Nature and Properties of Micro -organisms Laura JV Piddock Viruses  Obligate intracellular parasites  Use host cell for...

Ngày tải lên: 12/12/2013, 17:15

... roles of different kinds of organisms in the flux and storage of elements in ecosystems. The total biomass per unit area, W,is simply the sum ofthe body mass of all individuals. For organisms ofsimilar ... Professor of Ecology in the School of Biological and Chemical Sciences at Queen Mary, University of London. D AVID G. RAFFAELLI is Professor of Environmental Science at the University of York. R ONNI ... Structure and Function of Aquatic Ecosystems Ecologists have long struggled to predict features of ecological systems, such as the numbers and diversity of organisms. The wide range of body sizes in...

Ngày tải lên: 17/02/2014, 19:20

... aggregation in the presence of a mixture of annexins of different subtypes. The profile of liposome aggregation was simply the sum of the results obtained with a single subtype of annexin, sug- gesting ... the involvement of the N-terminus of annexin A2 in its binding to dicalcin. The binding affinity of the N-termi- nus or the core domain has not yet been determined. The binding of dicalcin–annexins ... above, various pairing of S100 and ann- exins may be an intrinsic and conventional mechanism of the S-100 annexin system to function in a variety of tissues. The participants of these complexes are...

Ngày tải lên: 18/02/2014, 14:20

... Problems of principal biological relevance, such as the study of distribution patterns or the relation of body size to distribution, have been tackled using meiofauna as tools. The high number of ... increased role of meiofauna in this field is reflected by new chapters on the impact of metal com- pounds and pesticides. The use of molecular techniques can alleviate the prob- lem of rapid mass ... archive of detailed studies in all fields of meiobenthology. A comprehensive index and a glos- sary explaining specific terms facilitate the use of this book. Because of their ease of accessibility...

Ngày tải lên: 15/03/2014, 19:20

Ngày tải lên: 16/03/2014, 11:45

... Scientific Biology of Wastewater Treatmen t (New Edition) bwt Nature of Wastewater 23 population of a city the size of Manchester will produce an organic load equivalent to the human population of a ... concentration of the waste Table 1.10. Comparison of the percentage consumption of water for various pur- poses in a home with an office; indicating the source and make-up of wastewater from these types of ... processing. January 19, 2004 14:33 World Scientific Biology of Wastewater Treatmen t (New Edition) bwt Preface to the Second Edition Since writing the first edition of Biology of Wastewater Treatment the wastewater...

Ngày tải lên: 16/03/2014, 18:09

... partially because of regulatory constraints. This pattern of extensive research leading to the development of many potentially useful microorganisms that are not used because of strict regulations, ... fate of microorganisms in bioremediation (Prosser 1994). The application of molecular techniques has provided much greater precision through the introduction of specific marker genes. Some of the requirements ... Center, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan 2 Laboratory of Soil and Environmental Microbiology, Department of Soil Science, Faculty of Agriculture, Gadjah...

Ngày tải lên: 16/03/2014, 18:10

... over ‐ handling Stress … noise , vibrations , odors , over handling – Breedingcessation – Resorption of fetuses Resorption of  fetuses – Cannibalism of litters • Health status • Health  status • Seasonaleffects JAX ® Services JAX Services • ... my Male  Anatomy CookMJ.1965.TheAnatomy of theLaboratoryMouse http://www.informatics.jax.org/cookbook/ Estrous Cycle Interruption: Pheromones Estrous  Cycle  Interruption:  Pheromones BruceEffect‐ 1959 • Exposure of apregnantfemaleto anunknownmaleresultsinpre‐ ... Diploidspermatogonialstemcells– lifetimesupply • 12 stages of spermatogenesis in the seminiferous tubules • 12  stages  of  spermatogenesis  in  the  seminiferous tubules – 35days •...

Ngày tải lên: 22/03/2014, 12:20

... Department of Ichthyology and Aquatic Environment, University of Thessaly, 38446, Nea Ionia, Volos, Greece Received 19 February 2007; Accepted 29 May 2009 Abstract. The reproductive biology of the ... basis at the mouth of the river using a bag seine net and overall a total of 4 563 individuals were collected. The total length of males ranged between 2.5 and 6.0 cm and that of females between ... throughout most of the year may be a specific character of the marbled goby (F o u d a et al. 1993), as well as of some other goby species (M i l l e r 1984). The marbled goby, one of the few species...

Ngày tải lên: 22/03/2014, 12:20

... passage of a wide variety of anticancer agents. The high incidence of recur‐ rence and poor prognosis of malignant gliomas compel the development of more powerful anti-cancer treatments. Action of ... proliferation, migration, reorganization of ECM and tube formation. The advent of molecular studies allowed a new evaluation of the biology of gliomas with, a level of precision that promises interesting ... mention, that genetic instability of high grade gliomas provides the way of angiogenesis independently of hypoxia (such as chronic HIF Evolution of the Molecular Biology of Brain Tumors and the Therapeutic...

Ngày tải lên: 23/03/2014, 10:20

... partitioning of C within the plant and the distribution of root exudates within the soil after net fixation of 1000 units of C. (Redrawn with permission from the Ecological Society of America; ... the coast of southeast Alaska, is one of the best known places for research on primary succession because of the continuous retreat of the glaciers since 1794. Furthermore, records of the retreat, ... If the humpbacked model does not apply for soil 46 THE BIOLOGY OF SOIL Table 2.3 Effects of cultivation of native bush plots on populations of microarthropods in a tropical Alfisol (0–10 cm). (Adapted...

Ngày tải lên: 29/03/2014, 17:20

... NADEAN,J.&LINDBERG,T. (1992). Was the Duchess of Windsor right? A cross-cultural re- view of the sociobiology of ideals of female body shape. Ethology and Sociobiology 13, 197–227. A NDERSSON, M. (1994 ... the evolution of such bizarre traits as the antlers of stags, the horns of antelopes, the tail of the peacock (Pavo cristatus), bird song, frog croaks, and the extravagant colours of many fish and ... Developmental stability of flowers, embryo abortion, and developmental stability of plants. Proceedings of the Royal Society of London B 263, 53–56. M ØLLER, A. P. ( 1996b). Effects of host sexual selection...

Ngày tải lên: 30/03/2014, 16:20

... the foundation of a modern poultry industry that is a major source of animal protein in most countries of the world. The history of poultry domestication and the development of a modern poultry ... took 2.4 t of feed to produce each tonne of eggs whereas today it takes 1.9 t of feed to produce 1 t of eggs (Hy-Line and FAO: http://faostat. fao.org). Today at least 115 million t of feed is ... meat production from 20 million t of feed per million tonnes of meat to 8.5 million t of feed per million tonnes of meat (Aviagen and FAO). The genetic potential of birds is even better but is...

Ngày tải lên: 31/03/2014, 08:20

Ngày tải lên: 02/04/2014, 09:20

Ngày tải lên: 02/04/2014, 17:59

Ngày tải lên: 08/04/2014, 01:49

Ngày tải lên: 08/04/2014, 03:16

Ngày tải lên: 08/04/2014, 12:51