Essays on Bacteria

Survey of Nasal Carriage of Staphylococcus aureus in Microbiology 1 Students at RMIT Aim: To determine the carriage rate of Staphylococcus aureus in the nares of students taking second year microbiology courses at RMIT. Introduction: Carriage of S. aureus is important in hospital patients, preoperative …

Microbiology Coursework: Bacillus cereus After investigation following on outbreak of food poisoning at a pizza restaurant, it was found that all suffers had consumed a portion of side salad from the self-service salad bar alongside their main dish. Subsequently, this was further traced to a …

Chapter 01 Quiz Question 1 Correct Mark 1. 00 out of 1. 00. Flag question Question text Many insects do not see into the red color-range and as a result, many insect-pollinated flowers are colors other than red (e. g. , purple and yellow). This …

I chose to investigate Vibrio cholerae from the genus Vibrio because I found that V. cholerae was a very interesting bacteria. According to our textbook, (Prescott’s Principles of Microbiology by Willey Joanne, Woolverton Chris, Sherwood Linda), V. cholerae has caused seven pandemics in various parts …

Genetic transformation is due to a direct cause in the change by genes, due to the cell in taking and expressing traits from a separate piece of DNA. Naturally proficient bacteria are able to absorb exogenous DNA and go through genetic transformation. (Chen & Dubnau, …

Humans are engaged in a “micro-war” with bacteria, and we are losing.  Bacteria represent one of the most adaptable organisms on the planet primarily due to their propensity for adopting genetic mutations. (more…)

Before Koch’s developed the understanding of the causes of disease, Louis Pasteur published his ‘germ theory’ in 1861. His theory was that germs also cause human diseases. He carried out a series of experiments three years later, which convinced scientists that his germ theory was …

Natural Selection Case Study QuestionsName _______________________________ Part I 1. Which state has more plain clover? North Carolina 2. Which state has more striped clover? Minnesota 3. Which state has a warmer average temperature? North Carolina 4. Which state has more days of freezing temperatures? North …

Bacteria grows everywhere and there is no way to hide from it. Bacteria can be harmful, but most are not. They’re strategies to help kill bacteria on human skin. The answer is soap. It doesn’t matter if the bacteria is from its natural source or …

Why are sexually transmitted diseases more likely to affect females to a greater extent than males?  Sexually transmitted diseases are more likely to affect females to a greater extent than males because they expose a greater surface area of mucous membrane during sexual contact. Why …

The effects of black tea on the growth of E. coli bacteria cultures Kierstin Barker, Melissa Bischak, Jackie Tyszkiewicz, Errin Enany September 25, 2012 Abstract: This study was carried out in order to investigate whether black tea has antimicrobial properties as stated in Steven Johnson’s …

One major difference between the pathogens that cause anthrax and smallpox is that anthrax is a form of bacteria while smallpox is an example of a virus,  Anthrax is caused by the bacteria Bacillus anthracis. (more…)

Odwalla, Inc. , the largest producer of fresh fruit and vegetable-based juices in the Western parts of United States, was founded in 1980 by three people Steltenpohl, his wife and a friend. Initially the business was started by a $200 worth of used juicer in …

We are surrounded by billions of bacteria and viruses. To many of them, a human being is like a walking smorgasbord, offering nearly limitless resources that they can use for energy and reproduction. Luckily for us, getting into the human body is not an easy …

If Pollen were to view Cafes purely from the aspect of Job reference, then he would find himself quite pleased with the operation. Cafes are doing a spectacular Job of comfortably feeding Americans and their ever-growing rate of meat consumption; they’re satisfying at a satisfactory …

Introduction Cystic Fibrosis (CF) is a genetic disorder of salt and water regulation in the cell. The disease is caused by mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene (Cohen and Prince, 2012). The molecular basis of CF depends on its transmembrane conductance …

Archaea is considered to be another domain, besides Prokaryotes (which include bacteria) and eukaryotes (which include plants, animals, fungi and protests). Eukaryotes have a well-defined nucleus, membrane cell structure. On the other hand prokaryotes have a well-defined cell wall and contain an irregular nucleus. Archaea …

My possible results were now: Bacillus cereus, Mycobacterium segments, or Lasciviously acidophilus. Next I preformed the acid fast staining. When preparing this slide and viewing it on oil immersion, I was a little more confident about the negative result yielded. You are less likely to …

Daniel Petrov 8e Cells: From Earthlings to Martians? Mr F. Ade-Davis Science Our model of the cell developed from a lot of good scientists such as Robert Hooke and many others. Robert Hooke discovered cells when he looked at a slice of cork in a …

Gram Positive Enterics: Streptococcus faecalis Streptococcus faecalis also known as strep D, is now known as Enterococcus faecalis. Enterococcus faecalis is part of the Enterococcaceae family. This organism is a gram positive and usually occurs in pairs called diplococci. It is facultative anaerobic, and is …