Option A: Observation: During the winter‚ you spread salt daily on your driveway to melt the snow. In the springtime‚ when the lawn begins to grow‚ you notice that there is no grass growing for about 3 inches from the driveway. Furthermore‚ the grass seems to be growing more slowly up to about 1 foot from the driveway. Question: Might grass growth be inhibited by salt? My hypothesis is that the grass growth is being inhibited by salt. An average winter season last approximately five or
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plants‚ changing the water that is given to plants can have an effect on a plants growth. In general‚ watering with different liquids has been bad for plants and has damaged their growth. For instance‚ adding salt or sugar to plants can change the growth of a plant. In general‚ salt usually hurts a plant. According to djrice69‚ a poster on Flowerhorn USA‚ an online forum‚ there is already a concentration of salt in the soil. When more salt is
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Mariam Kenyab “Economic growth is the raise in price of the goods and services created by an economy.” (GDP Growth Definition‚ n.d.‚ para1). It is measured by the percent rate of increase and calculated in real terms‚ for example: inflation- adjusted terms to net in the result of inflation on the price of the goods and services produced. The GDP per capita is frequently used as a pointer as the average of living for individuals in a specific area‚ and economic growth means the increase in the
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Journal of Nanobiotechnology This Provisional PDF corresponds to the article as it appeared upon acceptance. Fully formatted PDF and full text (HTML) versions will be made available soon. Effect of iron oxide and gold nanoparticles on bacterial growth leading towards biological application Journal of Nanobiotechnology 2011‚ 9:34 doi:10.1186/1477-3155-9-34 Saptarshi Chatterjee (saptarshi_gcc07@yahoo.co.in) Arghya Bandyopadhyay (arghya.micro@gmail.com) Keka Sarkar (keka@klyuniv.ac.in) ISSN
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example the presence of salt greatly enhances the rusting of metals. This is due to the fact that the dissolved salt increases the conductivity of the aqueous solution formed at the surface of the metal and enhances the rate of electrochemical corrosion. This is one reason why iron or steel tend to corrode much more quickly when exposed to salt (such as that used to melt snow or ice on roads) or moist salty air near the ocean. [pic] salt will speed up rusting. The more salt you
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of microorganism present and the material bearing the microorganism . Bacterial growth can be controlled by chemical agents such as: sterilization in which we kill all living organisms. Disinfection‚ decontamination‚ disinfectant‚ antiseptic‚ sanitizer and antibiotic are another chemical agents that can used to affect on bacterial growth. Chemical methods involve the application of specific chemical agents which inhibit growth or kill microbes on the surface of skin. The determineing of an suitable
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Bacterial diseases: Introduction Bacterial diseases include any type of illness or disease caused by bacteria‚ a type of microbe. Microbes are tiny organisms that cannot be seen without a microscope and include viruses‚ fungi‚ and some parasites as well as bacteria. The vast majority of bacteria do not cause disease‚ and many bacteria are actually helpful and even necessary to good health. Millions of bacteria normally live on the skin and in the intestines and can also be found on the genitalia
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Title: The effect of temperature on beet cell membranes. Introduction: 1. Eukaryotic cells are much more intricate than prokaryotic cells. The first thing observed is the assortment of structures in the cytoplasm. The fluid filled region between the nucleus and the plasma membrane. These structures along with the nucleus are the organelles‚ each having a specific function in the cell. The organelles are by membranes divided in proficient sections .The plant cell is made up of a rigid thick wall
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Bacterial Biology █ BRIAN D. HOYLE An understanding of the fundamentals of bacterial biology is critical to bacteriologists and other forensic investigators attempting to identify potential biogenic pathogens that may be exploited as agents in biological warfare or by bioterrorists. Fundamentals of Bacterial Biology Bacteria are one-celled prokaryotic organisms that lack a true nucleus (i.e.‚ a nucleus defined by a membrane). Bacteria maintain their genetic material‚ deoxyribonucleic
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If bacterial meningitis is suspected several tests sound be done before beginning treatment. A blood sample should be taken and a complete blood count (CBC) should be performed and a lumbar puncture should also be performed as soon as possible. Laboratory findings The white blood cell count (WBC) should be 5‚000-10‚000 /mm3. Critical values associated WBC are 30‚000 /mm3. Variables that may increase white blood cell count include: Physical activity and stress‚ final months of pregnancy and/or labor
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