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Free research papers and essays on topics related to: coli

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  • Coli Bacteria - 459 words
    E Coli Bacteria For those who follow the rules of good nutrition by eating healthy foods, the rewards can be substantial. But it's also important that you clean and cook your food properly. Because if you don't, certain microorganisms that hitchhike into your stomach can make you feel miserable. E. coli is a bacteria that normally live in the intestines of humans and animals. Although, most strains of this bacteria are harmless, several are known to produce toxins that can cause diarrhea. One particular E. coli strain can cause severe diarrhea and kidney damage E. coli made a notorious appearance at a fast-food restaurant chain about three years ago, sickening hundreds and killing four child ...
    Related: bacteria, coli, fast food, good nutrition, carefully
  • E Coli - 1,806 words
    E. Coli Do natural medicines work as well as over the counter medicines? This question has been argued about for quite a while. In my experiment, I will compare natural medicines effectiveness on Escherichia coli to over the counter drugs, to finally decide if herbal remedies are better than E. coliEscherichia coli (E. coli) is a common bacteria in your stomach and intestines. E. coli is a gram negative rod bacteria(Fundamentals of Microbiology). E. coli bacteria make up 0.1% of the total bacteria in an adults stomach. E. coli has recently been in the news due to several cases of food poisoning by E. coli 0157:h7. This is a specific strain of E. coli and this particular strain causes a life ...
    Related: coli, food supply, genetic code, blood pressure, medicine
  • The Effects Of Various Factors On The Growth Rate Of E Coli - 1,105 words
    The Effects Of Various Factors On The Growth Rate Of E. Coli The Effects of Various Factors on the Growth Rate of E. coli Introduction: There are times in our lives (as human beings) when people do not feel well. A doctor might diagnose them with a disease or an infection. There are also times when people do not feel clean. This could be a person's feeling after exercising, sweating, or maybe he/she had not taken a shower in a couple days. In any of the preceding scenarios, bacteria most likely played a major role in initiating a person's feeling of illness or squalor. Sickness can be caused from bacteria. Someone may be sick because they ate food contaminated with bacteria or they could hav ...
    Related: birth rate, coli, growth rate, various types, different types
  • The Effects Of Various Factors On The Growth Rate Of E Coli - 1,088 words
    ... g the results of the tests, we made graphs to determine the mean generation time. My group was in charge of measuring the effects that the nutrients had on growth rate of E. coli. We started by getting all our flasks together. They were already prepared with the medium because of our limited lab time. We had six different flasks. Three of them were for the three types of media that we added to the medium (E. coli). The other three flasks contained blank medium. These blanks were used to zero the spectrophotometer, and each different nutrient had it's own blank flask. So, the first thing we did was place a tube of the blank medium in the spectrophotometer and set the absorbance needle on ...
    Related: coli, growth rate, animal science, future research, extract
  • Antibiotics - 560 words
    Antibiotics Antibiotics are chemical compounds used to kill or inhibit the growth of infectious organisms. Originally the term antibiotic referred only to organic compounds, produced by bacteria or molds, that are toxic to other microorganisms. The term is now used loosely to include synthetic and semisynthetic organic compounds. Antibiotic refers generally to antibacterials; however, because the term is loosely defined, it is preferable to specify compounds as being antimalarials, antivirals, or antiprotozoals. All antibiotics share the property of selective toxicity: They are more toxic to an invading organism than they are to an animal or human host. Penicillin is the most well-known anti ...
    Related: bacterial cell, amino acids, nucleic acids, classified, chromosome
  • Bio Outline - 2,483 words
    ... lecule of glucose requires (1) 18 ATP 7.3 kcal/mole x 18 = 131.4 kcal (2) 12 NADPH 53 kcal/mole x 12 = 636 kcal (a) Note 53 kcal/mole - ref: Campbell pg. 178 for NADH to O2 H2 O (3) Takes 767.4 kcal to make 1 molecule of glucose (686 kcal) (a) 686/767.4 = 89% efficiency. F. PHOTORESPIRATION (Use Study Sheet) 1. Rubisco prefers O2 to CO2 2. If rubisco binds O2 a. Process uses 6 additional ATP b. Regenerates RuBP c. Produces a 2-C compound (instead of 3-C) d. This compound is sent to peroxisome and mitochondrion (1) converted to Glycerate (3C) (2) transported back to chloroplast (3) Uses ATP to convert to 3-PGAL 3. NET LOSS OF ENERGY 4. Some plants waste as much as 50% of the energy they ...
    Related: outline, compare and contrast, citric acid cycle, krebs cycle, acid
  • Biological Viruses: All Time Enemies - 1,170 words
    Biological Viruses: All Time Enemies First came fever. Then Hamid Mansaray, a young nurse's aide at a remote African hospital, began to hemorrhage. Blood erupted from his nose and mouth. It burst out of capillaries beneath his skin and eyes. By the time I reached the village of Panguma in Serria Leone, Mansaray lay isolated in a special ward. Doctors had diagnosed an obscure illness called Lassa fever. Its cause was a virus, an infective agent so small that 100,000 of them clumped together would still scarcely be visible. Viruses are little more than bundles of genes - strands of DNA or RNA, the molecules that carry the blueprints for all life. Yet viruses are far from simple. They invade ar ...
    Related: biological, white blood cells, yellow fever, common cold, contracts
  • Capitalistic Government Of Us - 1,413 words
    ... the working class decreasingly capable of independent action. They had constant pressure to produce as much as they could so that the company could sell it at the lowest price possible. To make it possible, however, the workers' wages had to be kept low and the hours long. They were exploited and even though they managed to raise their wages a little, other concessions were not granted because management did not see the union as threatening. They actually helped the companies by keeping the workers in good conduct. The discipline that the unions managed to achieve in the factories was one victory for them with the management of the factories, because the managers could not complain abou ...
    Related: capitalistic, national labor, water pollution, poor people, bathroom
  • Cloning Benefits - 1,742 words
    Cloning Benefits Cloning Benefits What if while walking down the street you encountered someone who looked exactly like you? Would you stare in amazement or would your heart be filled with fear? At first some people may look upon the idea of cloning with disgust and question themselves if humans should play God while others would be interested and study the many possibilities that cloning offers. This illustrates the path that cloning has taken over the latter part of the twentieth century. At first, when cloning was brought up in conversations, people tended to fearfully think of an army of identical persons marching across the earth in hopes of ruling humans. This and many other absurd not ...
    Related: cloning, human cloning, vitro fertilization, growth hormone, fertilization
  • Cocacola From Then To Now - 2,211 words
    ... project-management applications, production and materials management, quality management and plant maintenance, as well as sales and distribution management. Initially around 5,000 users will have access to SAP applications which will eventually increase to 25,000 users throughout Coca-Cola. Rick Engum, VP of Information Services at Coca-Cola Enterprises Inc. in Atlanta states the following in regards to SAP : These applications will speed the process of doing business with our suppliers and give us better management of our overall supply chain. By using common applications all of us in the Coca-Cola system will provide a consistent level of service [such as timely deliveries] to custome ...
    Related: saharan africa, project management, cola company, cola, chronicle
  • Cockatiels - 358 words
    Cockatiels Some of our sore throats are caused by a "strep infection" and this bacteria can be spread to your cockatiel from a sneeze or a cough. A bacterium called E. coli is normally present in our intestines, but it is not a normal resident in the intestines of cockatiels. So be sure that you wash your hands after using the toilet and before handling your cockatiel or its food. Seeds, how do you know if they are alive and nutritious? Sprout them! If less than 75 % of the seeds sprout, they have died and so their nutritional value. Here's how: Place some seeds on a container covered with a paper towel. Soak the seeds with water. Spray seeds daily to keep them moist. The seeds will start t ...
    Related: gold rush, stained glass, wine, pans
  • Definitions - 298 words
    Definitions Flagella--A whip like structure uesed for movement. Anerobic--Do not need oxygen, found in the soil. Aerobic-- Likes Oxygen, found in lungs. Saprobe--Helpful bacteria that ues the remains of dead plants and animals for food. Parasite--Oeganism that lives in or on another organism and harms it. Blue-Green Bacteria--Makes it's own food. Monerans--Kingdom of primitive organisms corsisting of bacteria and Blue-Green algae. Fission--A sexual reproduction. Cocci--Sphere shaped, strep throat. Baccili--Rod shaped,E.Coli. Spirilla--Spiral,in soil. Virus--Any of a group of disease producing agents composed of protein and nucleic acid. Vaccine--Contains viruses that are weakend or dead body ...
    Related: bacterial cell, sexual, bacteria, coli
  • Emerging Waterborne Pathogens - 668 words
    Emerging Waterborne Pathogens In todays food preparation world waterborne pathogens are becoming a real threat. Why? Simply because in todays culture people are quick to blame the food industry for most cases of disintary or other ill effects caused by bacteria. In this paper several things will be discussed. To understand what Im trying to say, you must understand a few key terms. First lets define waterborne pathogen. A waterborne pathogen is a micro-organism whose ability to cause disease has recently been identified. Now that you know what a waterborne pathogen is lets name a few. 1. Bacteria in the form of, Arcobacter Butzleri Helicobacter Pylori And E. Coli 2. Viruses Rotaviruses and A ...
    Related: emerging, pathogens, waterborne, health effects, works cited
  • Environmental Pollution Concerns Come To Forefront - 1,039 words
    Environmental pollution concerns come to forefront Reports that the state finds El Dorado Irrigation District's drinking water system primitive, outdated and an avenue for hazardous pollutants sent El Dorado County residents scrambling for more information Wednesday. The message that pregnant, elderly and sick residents should boil their water or buy it bottled was buried in fine print in the 28,000 notices mailed in September to EID customers. Dozens of residents called EID offices Wednesday after The Bee obtained a copy of a state report showing photographs of manure piles, animal carcasses, mats of algae and other contaminants in and near EID's open reservoirs. "That article made me a fir ...
    Related: environmental, environmental pollution, pollution, drinking water, santa barbara
  • Genetics Engineering - 1,437 words
    ... nbound probe, and placed over a piece of x-ray film. When developed, the film reveals the location of the radioactivity as a black spot. The corresponding colony on the original plate thus contains the bacteria carrying the required gene. The applications of genetic engineering are vast, probably the most well known is gene therapy in the medical world. It involves the introduction of a gene into somatic cells and enablement of its products to alleviate a disorder caused by the loss or malfunctioning of a vital gene product. Involving the latest DNA technology, it is the most rapidly advancing form of molecular medicine, which is concerned with the cause of disease at a molecular level. ...
    Related: engineering, genetic engineering, genetics, human genetics, recombinant dna
  • Group 1 - 1,748 words
    Group1 1 OUR FOOD SYSTEM After a long hard day of work you sit down in your comfortable recliner and open up your favorite snack. But when you reach into grab a piece, you pull out a dead bug. Suddenly many thoughts come into your mind, you wonder how did the bug get there and was it dead or alive. Is it harmful or carry a disease. You ask yourself did the bug come from the United States or another country and where was your snack made? As all these questions come into your head, you wonder who can give you the answers. Fortunately, the government thought about these conflicts and established several governmental agencies to protect Americans in food safety. These agencies are responsible fo ...
    Related: environmental protection, president abraham lincoln, department of agriculture, parasites, consumers
  • Group 1 - 1,781 words
    ... ms can not be solved solely by Group 1 4 private actions. Not to be said that individuals cannot do anything to help the environment, especially in local communities, but that there are definitely power in numbers. The EPA programs cover many areas for the welfare of this country. Things such as protecting our water supply, air supply, supervising hazardous waste sites, testing toxic chemicals, and regulating pesticides that can enter our food storage. Before any pesticides or toxic chemical is sold in the United States, the EPA must approve the safety of the product, and set a limit to the amount that is allowed to be in the food that we consume. A chemical manufacturer devotes an avera ...
    Related: food and drug administration, genetic disease, federal food, dropping, sprays
  • Kornberg - 1,217 words
    ... verturned a cylinder, which had a domino effect that destroyed the entire experiment. Returning the next morning, Kornberg noticed one vile in the centrifuge. The remains had separated, and he collected the solid material. This fraction had the bulk of the enzyme activity and was several-fold purer than the best of all previous preparations. This step (without the cylinder breakage) became part of the published procedure on enzyme purification. During his time spent with Severo Ochoa at New York University School of Medicine in 1946, and time spent with Carl and Gerty Cori at the Washington University School of Medicine in St. Louis in 1947, Kornberg refined his knowledge of enzyme produ ...
    Related: nobel prize, professor emeritus, stanford university, escherichia, chairman
  • Microscope Types - 1,321 words
    ... own as the corpus hemorrhagicum. Cells of the membrane granulosa are transformed into large granulosa lutein cells. Moreover, the cells of the theca interna also increase in size to become theca lutein cells, although they remain smaller than the granulosa lutein cells. Corpus Albicans (D) The corpus albicans is a corpus luteum that is in the process of involution a hyalinization. It becomes fibrotic with few fibroblasts among the intercellular materials. Eventually, the corpus albicans will become scar tissue on the ovarian surface. TESTES Capsule The fibromuscular connective tissue capsule of the testes is known as the tunica albuginea, whose inner vascular layer is the tunica vascul ...
    Related: microscope, scar tissue, stem cells, cell structure, plant
  • Molecular Biology - 1,677 words
    Molecular Biology Molecular Biology Abstract The bacterium used in this lab, Escherichia coli (or E. coli) is an ideal organism for the molecular geneticist to manipulate. It can easily be grown in suspension culture in a nutrient medium such as Luria broth, or in a petri dish of Luria broth mixed with agar (LB agar) or nutrient agar. Genes can be transferred between bacterial in three ways: conjugation, transduction, or transformation. Bacterial transformation involves transfer of genetic information into a cell by direct uptake of the DNA. During gene transfer, the uptake and expression of foreign DNA by a recipient bacterium can result in conferring a particular trait to a recipient lacki ...
    Related: biology, molecular, molecular biology, recombinant dna, bacterial cell
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