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сколько стоит заказать работу? коллекция "otherreferats"
Главная Коллекция "Otherreferats" Биология и естествознание
  • 331. Phylogeny of Judolia Mulsant, 1863 (coleoptera: cerambycidae)

    Judolia Mulsant is a small Holarctic genus, the range of which covers Europe, North and East Asia and North America. Within the range there are several centers of diversification, to which species characterized by morphological differences are confined.

    статья (2,0 M)
  • 332. Physicochemical properties, chemical components, and antibacterial activity of the essential oil from Mentha arvensis l. Leaves

    Essential oil (EO) from the leaves of Mentha arvensis L. was obtained by steam distillation and analyzed for the following physicochemical properties: acid number, saponification number, ester number, relative and absolute density, and freezing point.

    статья (193,9 K)
  • 333. Phytochemical composition of Helichrysum arenarium (L.) Moench essential oil (aerial parts) from Turkey

    The main compounds of the Н. arenarium essential oil were oleic acid, ethyl hexadecanoate, sclareol. The extracts showed a high level of total phenolic content, which make the studied plant species as a potential source of natural antioxidant or a source.

    статья (73,9 K)
  • 334. Phytopathogenic bacteria in the system of modern agriculture

    Characterization and study of bacterial diseases on agricultural crops and weeds under different cropping systems. The definition of biological properties, identification of pathogens, traditional and modern molecular-genetic methods of research.

    статья (337,0 K)
  • 335. Phytopathogenic bacteria phenotype conversion as a result of their lysogenisation by coliphage Р1

    Analysis rezultatov with bacteriophage P1Cmc1ts100 set of lysogenic strains of phytopathogenic bacteria erwinia "horticola" and of erwinia amylovora associated with woody plants. The conversion of phenotype from CMS to the CMR with authentic prophage.

    статья (767,5 K)
  • 336. Pisum sustainability system to Na2SO4

    Metabolic signs of abiotic stress limiting plant growth and productivity. Study of biochemical, physiological and molecular mechanisms regulating adaptation of pea plants to salt stress. Development of salt-tolerant plant varieties in saline areas.

    статья (20,7 K)
  • 337. Plant and animal lectines as modulators of MGMT and MARP gene expression in vitro

    The ability of lectins to influence the processes of mutagenesis and antimutagenesis in different test systems. Study to examine the effect of panel of lectins on the MGMT and MARP expression levels in tumor and non-tumor mammalian cells in vitro.

    статья (275,7 K)
  • 338. Plant Biochemistry

    A leaf cell consists of metabolic compartments. The use of energy from sunlight by photosynthesis is the basis of life. Photosynthesis is an electron transport process. ATP is generated by photosynthesis. Mitochondria are the power station of the cell.

    учебное пособие (14,0 M)
  • 339. Poly(ADP-ribosyl)ation by PARP-1: "PAR-laying" NAD+ into a nuclear signal

    Investigation of the role of poly (ADP-ribose) and the PAR polymerases that catalysis the synthesis of nicotinamide adenine in molecular and cellular processes: DNA damage detection and repair, chromatin modification and mitotic apparatus function.

    статья (440,1 K)
  • 340. Potato virus Y

    This course work is devoted to widely known Potato virus Y. Virus characteristics. Reproduction. Physical and biochemical properties. Virus(es) with serologically related virions. Diagnostic techniques for detection of Potato Virus Y. Complete genome.

    курсовая работа (7,1 M)
  • 341. Prediction of Rare Species Abundance and Distribution on the Basis of Landscape Features, Lipetsk Region Case

    Assessment of biological diversity of the Lipetsk region. Determination of the number of nesting sites of rare bird species using cartographic data and remote sensing. Identification of the reasons for the variability of the landscape of the region.

    статья (1,0 M)
  • 342. Preliminary analysis of tne vascular flora of extensively grazed skoszewskie meadows

    Research of the effect of extensive grazing of the Polish Koniks, Scottish Highland cattle and Limousine beef cattle, on the floristic changes. The species that indicate a higher eutrophication degree of biotope on horse and Scottish Highland pastures.

    статья (40,3 K)
  • 343. Primer on Molecular Genetics

    An introduction to basic principles of molecular genetics pertaining to the genome project. Mapping and Sequencing the Human Genome. Model Organism Research. Informatics: Collection and Storing Data and Interpretation. Impact of the Human Genome Project.

    учебное пособие (477,2 K)
  • 344. Probabilistic modeling in bioinformatics and medical informatics

    Learning bayesian networks from complete data. A casual view of multi-layer perceptrons as probability models. Motivation and background on phylogenetic trees. Recombination in bacteria. Statistical methods in microarray gene expression data analysis.

    учебное пособие (4,2 M)
  • 345. Production of Mushrooms Using Agro-Industrial Residues as Substrates

    Residue-Based Substrates and their Solid-State Fermentation by Mushroom Fungi. Types, Availability and Chemical Composition of Raw Materials. Nutritional and Environmental Aspects of Mushroom Growing. Output, Stages and results of Mushroom Cultivation.

    курсовая работа (27,8 K)
  • 346. Productivity of certain varieties of apples and importance of their gene formation

    Due to the diversity of its natural, historical conditions, Azerbaijan is one of the centers of the initial formation of many plants. A large number of valuable varieties and forms of food and agricultural plants have been created through folk selection.

    статья (21,8 K)
  • 347. Professor Hawking’s view on the apocalypse

    Predictions of scientists about the threats of the apocalypse that may be realized during this millennium. Materials from the speeches and publications of S. Hawking, theoretical physicist and cosmologist regarding the problem of the end of the world.

    статья (131,8 K)
  • 348. Prooxidant-antioxidant status of the heart of rats under the action of monosodium glutamat and correction with melatonin 1Petro Mohyla Black Sea National University (Mykolaiv, Ukraine)

    The violation of the change in the quality of the diet, due to the acceleration of the pace of life and giving preference to fast food rather than a rational and balanced diet, have led to the consumption of an uncontrolled amount of food additives.

    статья (24,4 K)
  • 349. Properties of strain of Exiguobacterium mexicanum

    Isolation of a strain of facultative anaerobic bacteria Exiguobacterium from oil-contaminated permafrost soils. Its properties, phylogenetic characteristics. Effect of the strain on the activation of biological degradation of oil and petroleum products.

    статья (92,0 K)
  • 350. Pseudomonas aeruginosa у пацієнтів з мінно-вибуховими травмами

    Забезпечення якісного протиепідемічного режима у прифронтових медичних закладах. Виділення псевдомонад, які ускладнюють загоєння ран та відтерміновують протезування пацієнтів. Пошук протимікробних засобів, активних до резистентних ізолятів P. aeruginosa.

    статья (24,6 K)
  • 351. Qualities of respiratory system in physiological situations

    The physiological definition of respiration and its structure. Characterization of physiological changes in the process of breathing in the mountains. Features of regulation of respiration in conditions of high atmospheric pressure and in a hot climate.

    реферат (16,6 K)
  • 352. Quantitative characteristics of mast cells in the course of wound healin in rats with chronic social stress

    Activation of the sympathoadrenal under stress is accompanied by the release of neurotransmitters and neuropeptides, activation of mast cells that produce cytokines and chemokines. Triggering a cascade of pathological processes, violation of skin repair.

    статья (226,7 K)
  • 353. Quantity and biological properties of the bacterium Pantoea agglomerans isolated from diferent grape varieties in Odesa region

    Analysis of the biological properties of Pantoea agglomerans from the internal environment of grapes and new formations of vineyards in the Odessa region. leave the endophytic environment of grape microbiota and tumors. Composition of Pantoea strains.

    статья (142,3 K)
  • 354. Rapd-анализ клеточной линии сои с перекрестной устойчивостью к оксианионам вольфрама и ванадия

    Сравнительная характеристика продуктов амплификации, культивируемой на питательных средах оксианионов вольфрама и ванадия. Процесс получения устойчивых клеточных линий. Метафазы с разным числом хромосом в вольфрам-устойчивой клеточной линии сои.

    статья (159,2 K)
  • 355. RAPD-аналіз природних ізолятів гриба Pleurotus ostreatus (Jacq.: Fr.) Kummer

    Аналіз полімеразної ланцюгової реакції й генетичного поліморфізму Pleurotus ostreatus. Виявлення рівня поліморфізму при ампліфікації з праймерами ОРР-12, ОРР-15, ОРР-17. Дослідження відмінностей у генетичній диференціації між дослідженими зразками.

    статья (167,3 K)
  • 356. RAPD-аналіз природних ізолятів гриба Pleurotus ostreatus (Jacq.: Fr.) Kummer

    Вивчення внутрішньовидового та міжвидового генетичного поліморфізму гливи устричної. Характеристика генотипових відмінностей в межах виду. Дослідження генетичного різноманіття ізолятів та одного з штамів Pleurotus ostreatus за допомогою RAPD методу.

    статья (166,3 K)
  • 357. Rare plants of ecological network in connecting areas of Vinnytsia region

    Assessment of the development of the national ecological network as a priority task in the field of environmental protection. Features of the expansion of the national space with natural landscapes and the formation of a territorially integrated system.

    статья (21,6 K)
  • 358. Recent advances in plant biotechnology and genetic engineering for production of secondary metabolites

    Plants are a source of biologically active substances. Using modern genetic engineering techniques in pharmaceutical biotechnology. Examples of advanced systems used to obtain some valuable natural products - artemisinin, paclitaxel and scopolamine.

    статья (147,3 K)
  • 359. Regularities of distribution of feed plants in the vegetation of Gunnut-Kapychik physical-geographical region

    Feed plants are dynamically utilized by humans. This leads to a decreasing supply of feed plants. For this purpose, we studied the rare species of feed plants in the vegetation of Gunnut-Kapychik physiographic area where we conducted our research.

    статья (24,2 K)
  • 360. REP-ПЛР аналіз збудників бактеріальних хвороб ріпаку

    Аналіз профілів дванадцяти ізольованих та десяти типових штамів бактерій родів Pseudomonas, Xanthomonas та Pectobacterium, патогенних для ріпаку. Вивчення генотипових властивостей мікроорганізмів. Значення ріпаку для народного господарства в Україні.

    статья (1,0 M)

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