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сколько стоит заказать работу? коллекция "otherreferats"
Главная Коллекция "Otherreferats" Биология и естествознание
  • 181. Elements of Molecular Neurobiology

    Outline of Nervous Systems. Organisation of Synapses, Neurons in the Brain. The Conformation of Informational Macromolecules. Primary, secondary, tertiary, quaternary structure. Molecular Chaperones. Nucleic Acids. Antisense and triplex oligonucleotides.

    книга (14,2 M)
  • 182. Endangered species of animals in Ukraine

    Description of the reasons for the disappearance of types of illegal hunting, deforestation, pollution of water bodies. Statistics reduce some species of animals in Ukraine. The red book as a collection of endangered species of animals and plants.

    презентация (555,6 K)
  • 183. Endoplasmic Reticulum

    Functions of the endoplasmic reticulum, consists of an extensive network of tubes and pockets, surrounded by membrane. Spherical or slightly ellipsoidal shape of ribosomes, their location in eukaryotic cells on the membranes of the endoplasmic reticulum.

    презентация (6,1 M)
  • 184. Enterobacteria как возбудители кишечных заболеваний сельскохозяйственных животных

    Семейство энтеробактерий — Enterobacteriaceae, порядок Eubacteriales — собственно бактерии, классификация, роды, патогенные, условно-патогенные и сапрофитные виды. Значение родов Escherichia, Salmonella, Proteus, lersinia в патологии домашних животных.

    курсовая работа (74,8 K)
  • 185. Erwinia amylovora – возбудитель бактериального ожога деревьев в Украине

    Рассмотрение бактериального ожога плодовых и декоративных древесных пород. Экспериментальная оценка уровня наличия возбудителя Erwinia amylovora в областях Украины. Степень проявления инфекции при искусственном заражении плодовых и декоративных деревьев.

    статья (341,3 K)
  • 186. Estimation of inter-oscillatory coherence in the electroencephalograms by use of their mathematical modeling

    Analysis of the relationship between different areas of the brain according to the coherence of their electroencephalogram rhythms. Determination of decrements and frequencies based on the EEG model. Neural ensemble of brain membrane potentials.

    статья (497,8 K)
  • 187. Estimation of the genetic activity of heavy metals salts on changing of recombination parameters in drosophila

    The effect of various concentrations of heavy metals salts (lead and mercury nitrates) on recombination parameters in drosophila. These compounds have genetic activity and increase the crossing-over frequency in zone y-v of chromosome 1 (X) of drosophila.

    статья (293,6 K)
  • 188. European experience concerning automation of modern laboratory of microbiological testing food and feed

    The need to use the European experience in automating a modern laboratory of microbiological research of food and feed. Laboratory practice of bacteriological departments. development and implementation of programs to protect the country from epizootic.

    статья (24,3 K)
  • 189. Evaluation of antibacterial activity of commercial green tea

    The impact of infusion derived from commercial green leaf tea on the growth of some Gram-positive and Gram-negative strains was studied. The most sensitive to infusion was the Gram-negative bacterial strain Escherichia coli Castellani and Chalmers.

    статья (379,1 K)
  • 190. Evaluation of contribution of salinity, irradiance, and nutrient deficiency into the yield of cells and P-carotene accumulation in the culture of Dunaliella salina (Chlorophyta)

    The contribution of salinity, irradiance, nitrate and phosphate, and their interactions into the yield of cell number and P-carotene accumulation in Dyialidla saliia. Confounding of the effects of factors-conditions by the depletion of factors-resources.

    статья (284,1 K)
  • 191. Evaluation of morphological traits and genotypes by multivariate statistical methods in some oak species

    Comprehensive analysis of indicator traits using multivariate statistical analysis for each species. Identification of valuable species and accessions for future selection and application of other genetic programs for oak improvement in the Caucasus.

    статья (115,3 K)
  • 192. Evolution of the Individual

    Viewing organisms as the sole unit of selection. Individuality as an issue of central concern for all the sciences. Difference between multilevel model of the organism and more standard group selection models. Recurrence equations. Covariance methods.

    статья (1,5 M)
  • 193. Exclusion of polyvalent T7-like phages by prophage elements

    The new insights into the process of interaction of T7-like bacteriophages FE44 and BA14 with lysogenic cells. The single and double lysogens possess Abi-phenotype regardless of genera and strain of bacteria that initially had normal phage sensitivity.

    статья (805,1 K)
  • 194. Factors associated with academic performance among sexually active and inactive international students of national pirogov memorial medical university, Vinnytsya

    Sex education as the key to leading a personal life, preserving and improving reproductive health, and acquiring a tolerant attitude towards the LGBT community. Anatomical and physiological features of human sexuality, features of its sexual development.

    статья (840,6 K)
  • 195. Famous microbiologists

    Review and analysis of the biography and particular activity of Edward Jenner, who created vaccine for smallpox created from cowpox. Research and characterization of contributions to microbiology Louis Pasteur, Robert Koch and Alexander Fleming.

    презентация (325,2 K)
  • 196. Fauna of metacercariaes (trematodes) in cyprinid fish of the Seversky Donets river and its tributaries

    Cyprinid fish from the Seversky donets river and its tributaries — Vezeika river, Razumnaya river and Nezhegol river. Metacercariae speeies of trematodes in Cyprinid fish. Analyzes the parasitofauna of fishes from river net in the belgorod region.

    статья (2,6 M)
  • 197. Fauna of metacercariaes (trematodes) in cyprinid fish of the Seversky Donets river and its tributaries

    The peculiarity of the study of metacercariae of trematodes, among which there are species that are potentially dangerous epizootologically and epidemiologically. Bivalves and gastropods are widespread. Conducting research to establish interim hosts.

    статья (2,6 M)
  • 198. Features of Grass and Subshrub Reproduction in Forest Phytocoenoses

    Study of model species of herbaceous and shrubby plants. Determination of the main indicators of generative reproduction of clonal-forming plants of the grass and shrub layer and their dependence on the plant species and ecological and cenotic factors.

    статья (31,9 K)
  • 199. Features of the 8-oxo-7,8-dihydro-2'-dGTP behavior in active site of human DNA-polymerase В: structural investigation in silico

    Mutagenic potential of oxidized forms of nitrogen bases. The effectiveness of the inclusion of 8-oxo-DG in the growing DNA. The behavior of the molecule 8-oxo-DSTF in the migration trajectories. The transition of cells from normal state to cell death.

    статья (2,5 M)
  • 200. Features of the mesostructural organization of the leave and the anatomical structure of the tobacco stem under the action of growth stimulators

    Treatment of tobacco plants with growth stimulants to increase photosynthetic activity. Thickening of collenchyma and xylem, leaf plates due to growth of chlorenchyma. Increasing the diameter of the stem and increasing the resistance of plants to lodging.

    статья (24,1 K)
  • 201. Flora current state of Rosaceae woody species in mountain xerophytic and steppe vegetation of ordubad district

    Investigation of the unique plant communities of Ordubadsky district. Classification of structures of the mountain-xerophytic and steppe flora of the region. Identification of the taxonomic composition and classes of tree species of the Rosaceae family.

    статья (225,0 K)
  • 202. Foliar Content of Phenolic Compoundsin Platantherabifolia from Natural and Transformed Ecosystems at Different Stages of Orchid Development

    General geobotanical characteristics of the study sites. The individuals of P. bifolia at the flowering stage, consideration of representatives of the OrchidaceaeJuss family. As a source of natural antioxidants. The content of flavonoids in orchid leaves.

    статья (1,5 M)
  • 203. Formation of multicellular aggregates under different conditions of microenvironment

    Exemplary systems for studying of three-dimensional growth and differentiation in vitro. Spheroid formation in spinner flasks. Spheroid formation on agar overlay. Formation of multicellular aggregates under different conditions of microenvironment.

    статья (147,3 K)
  • 204. Four-year bacterial monitoring in the International Space Station - Japanese Experiment Module "Kibo" with culture-independent approach

    Researches of specifics of relationship between people and microorganisms in the closed habitat in space. The analysis of carrying out four years' microbiological monitoring in the Japanese laboratory Kibo module. Use of the optimized swabbing method.

    статья (2,8 M)
  • 205. Francisella tularensis: некоторые аспекты экологии и диагностики

    Феномен перехода возбудителя туляремии в некультивируемое состояние, в котором он существует в межэпизоотический период. Механизмы адаптации патогена к неблагоприятным условиям среды. Методические подходы к идентификации штаммов Francisella tularensis.

    автореферат (619,4 K)
  • 206. Frege on Extensions of Concepts, from 1884 to 1903

    Remarkable passages in the Foundations of arithmetic. Frege on extensions of concepts, from 1884 to 1903. Conceptual uncertainty and frege's rationalism. Contextual definition, concept and object of ontological options, incomplete understanding.

    научная работа (2,6 M)
  • 207. Frustule functions and functional morphologe of Bacillariophyta

    A multifunctional role of most frustule structural elements and their taking part in many vital functions of the diatom single-cell organism. Some structures of frustule as velum, areola, stria are considered in the light of function morphology.

    статья (784,7 K)
  • 208. Functional morphology of horseshoe spot in frustule of Planothidium species (Bacillariophyta)

    Investigation of the morphology of the horseshoe spot (HHS) with the cavity in details in several species of Planothidium Round et Bukht. The model of the HSS longitudinal section and light rays tracing.

    статья (202,7 K)
  • 209. Fusion of Biological Membranes and Related Problems

    Study of the process of membrane fusion. Analysis of proteins derived from the zitoplazmaticakih membranes. Opening of homologous proteins from yeast to neurons checks the General idea. Characteristics of biochemical synthesis of biological membranes.

    учебное пособие (3,1 M)
  • 210. Gene alterations of succinite and its vulnerability various environmental conditions

    Describes the alteration of succinite under conditions of hypergenesis as result of oxidation, including a change in colour, contraction of the outer surface. The main factors influencing resistance of succinite under hypergene conditions are described.

    статья (707,6 K)

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