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коллекция "otherreferats"
Главная Коллекция "Otherreferats" Биология и естествознание
  • 121. Distribution of nutrients in different organs of plants of miscanthus Аnderss Genotypes

    Cumulation of biochemical substances in the organs of varieties and forms of Miscanthus Anderss in the conditions of the National Botanical Garden. The appearance of dry matter in the period of full seed maturity in plant material of Miscanthus genotype.

    статья (151,2 K)
  • 122. Distribution of the genus Cedrela in Ecuador

    The genus Cedrela in Ecuador has four species. Currently, three species of Cedrela are included in the IUCN Red List. C. odorata and C. nebulosa are listed as vulnerable species and C. fissilis as endangered species. In spite of their status and priority.

    статья (1,7 M)
  • 123. Distribution of the gilthead seabream, Sparus aurata Linnaeus, 1758 (Perciformes) in waters of Ukraine

    The investigation of the number of golden-headed sea bass in the basins of the Azov and Black Seas adjacent to the territory of Ukraine. Cultivation of Sparus aurata Linnaeus in the Dnieper-Bug Estuary. Formation of the Dorada population near the Crimea.

    статья (1,1 M)
  • 124. Distribution of the termite Reticulitermes lucifugus (Isoptera) and the specifics of its invasion in Ukraine

    Description of the finds in Sumy and Sumy Oblast. Each place of termite record were located in different parts of the city. The analysis of termite finds in Ukraine indicates the spread of termites to north-east from the Northern black sea region.

    статья (286,3 K)
  • 125. DNA fragmentation and endonuclease activity under the effect of herbicides acetyl-COA-carboxylase and acetolactat synthase inhibitors

    Test the hypothesis that pathogenesis induced in sensitive plants by ALS- and ACC-inhibiting herbicides is an active process which involves programmed cell death. A reliable marker of PCD is DNA fragmentation, which is carried out by endogenous nucleases.

    статья (3,2 M)
  • 126. Dose-dependent effect of electron acceptor and donor on dissimilatory sulfate reduction by bacteria Desulfovibrio Piger VIB-7 of human intestine

    The growth of bacteria Desulfovibrio Piger of the human intestine at different concentrations of acceptor and donor of electrons. The increase in the intensity of bacterial growth and production of hydrogen sulfide in the environment of cultivation.

    статья (2,6 M)
  • 127. Dragonflies (Odonata) of some small anthropogenic water bodies in Cracow City

    Materials and methods of research data dragonflies detachment of prey flying insects in the small man-made bodies of water are located in the southern part of Krakow in the period 2001-2004. Number and distribution of dragonflies in different areas.

    статья (215,1 K)
  • 128. Dynamics of the phenolic constituents and antioxidant activity in submerged cultures of Xylaria species

    A comprehensive study of the dynamics of the accumulation of phenolic compounds by representatives of the genus Xylaria. Correlation between the content of phenols and antioxidant properties found in biomass and culture liquid during their cultivation.

    статья (1,2 M)
  • 129. Ecological and biological features of tropical species of the genus momordica (cucurbitaceae) introduced under the conditions of Belgorod region (Russia)

    Evaluation and analysis of relative degree of drought resistance by water content of tissue. Assessment of relative drought resistance by water-holding capacity of leaves genus momordica (cucurbitaceae) introduced under the conditions of Belgorod region.

    статья (474,5 K)
  • 130. Effect of Avandamet on conditioned food reflex in rats of different age groups

    Causal relationship between Alzheimer's disease and diabetes mellitus (non-insulin-dependent diabetes mellitus). Testing of Avandamet, an antidiabetic drug used to treat diabetes mellitus, on temporal parameters of the conditioned eating reflex in rats.

    статья (140,5 K)
  • 131. Effect of bacterization with Aeromonas media GS4 and Pseudomonas extremorientalis PhS1 on wheat seedlings under different abiotic conditions

    Еffect of soft wheat seed treatment (Triticum aestivum L.) with two bacterial strains (Aeromonas media GS4, Pseudomonas extremorientalis PhS1) isolatedfrom earthworm coprolites on the growth and development of wheat seedlings in a laboratory experiment.

    статья (467,4 K)
  • 132. Effect of cations on the activity of glutamate dehydrogenase in Acinetobacter calcoaceticus IMV, Rhodococcus erythropolis IMV and Nocardia vaccinii IMV grown on industrial waste

    Studied the activity of glutamate dehydrogenase in the presence of mono- and divalent cations during cultivation on waste of biodiesel production and sunflower oil waste. Demonstrate the possibility to increase activity of enzymes of the biosynthesis.

    статья (33,7 K)
  • 133. Effect of cultural practices on turfgrass diseases

    The that application of nitrogen fertilizer contributes to an increase in powdery mildew, septoria leaf blotch and yellow rust infection. As mowing, verticutting contribute to the reduction of severity of all diseases. The application of spring aeration.

    статья (21,0 K)
  • 134. Effect of magnetic field and environmental PH on the adsorption efficiency of cells of the genus Lactobacillus

    Review of the effect of magnetic field and medium pH on the efficiency of cellular adsorption of Lactobacillus probiotic strains. Adsorption of probiotic cultures of Lactobacillus acidophilus, Lactobacillus plantarum, on highly dispersed silica.

    статья (349,7 K)
  • 135. Effect of methyl violet to mulberry silkworm some breeds eggs

    Establishment of physiological responses in different phases of development after treating local and introduced mulberry silkworm breeds of with aqueous solutions of methyl violet. Exogenous influence of eggs on the formation of a negative reaction.

    статья (1,1 M)
  • 136. Effect of Zinc Deficiency and Excess on the Antioxidant Enzymes Activity in Barley Seedling Leaves

    Determining the importance of zinc for plants. Establishing a relationship between excess oxidative stress and inhibition of shoot growth. Substantiation of the absence of disturbances in the redox balance of cells to stun plant growth in zinc deficiency.

    статья (49,5 K)
  • 137. 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)
  • 138. 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)
  • 139. 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)
  • 140. 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)
  • 141. 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)
  • 142. 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)
  • 143. 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)
  • 144. 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)
  • 145. 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)
  • 146. 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)
  • 147. 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)
  • 148. 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)
  • 149. 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)
  • 150. 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)

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