E.coli is a bacteria that is often associated with cows. Recent studies have shown that outbreaks of E.coli are the result of diets in cows containing corn and starches. (www.ansc.purdue.edu). In the past couple of years cattle diets have been changed to be more cost effective and now contain mostly corn and corn-byproducts. This change in diet has led to many severe effects in the health of the animals including in increase of E.coli. This E.coli strain is the third most deadly bacterial toxin,
Words: 256 - Pages: 2
Prokaryotes and Eukaryotes are somewhat similar in the chemical aspect. They both contain nucleic acids, proteins, lipids, and carbohydrates. They both use the same kind of chemical reactions to metabolize food, build proteins, and store energy. It’s the absence of organelles and the structure of cell walls and membranes that differentiate a prokaryote and a eukaryote. Prokaryote comes from the Greek word meaning pre nucleus. The DNA is not enclosed within a membrane has a singular circularly arranged
Words: 777 - Pages: 4
tests. Each test done will help to eliminate other bacteria. Once a scientist knows the species, the right steps can be taken to help out people if they get contaminated with the bacteria. When I received my unknown bacteria, I started of doing a Gram Stain. This test revealed to me that I had a Gram negative bacilli in a random arrangement. This step is very important to figure out what type of family the bacteria belongs to. Gram negative bacteria have a thin peptidoglycan layer and a waxy outer
Words: 1672 - Pages: 7
Compare the structure of prokaryotic and eukaryotic. (290) There are two major types of cell: eukaryotic and prokaryotic. Eukaryotic cells have many membrane-bounded organelles within the cell. Whereas prokaryotic cells do not have any membrane-bounded organelles. The only membrane in prokaryotic is plasma(cell)membrane. Prokaryotes with the size of 5㎛(1-10㎛) are much smaller than eukaryotic cells with the size of 10㎛(10-100㎛). They both have a cell wall but with different composition. Prokaryotic
Words: 971 - Pages: 4
Background: Pneumonia is a disease, in which the lungs become inflamed and congested, reducing oxygen exchange and leading to uncomfortable cough and shortness of breathing. It affects individuals of all ages but occurs most frequently in children and the elderly. Pneumonia in children is the most common cause of death around the world. Historically, in developed countries, deaths from pneumonia have been reduced by improvements in living conditions, air quality, and nutrition. In the developing
Words: 414 - Pages: 2
Methicillin-resistant Staphylococcus aureus (MRSA) is known as one of the most common superbugs. The prevention and control of MRSA is the most written about pathogen.1 It is becoming more and more difficult to treat since this bacteria is constantly developing a resistance to several antibiotics. Methicillin was used as an antibiotic to treat Staphylococcus aureus. In England in 1961, the first strain of MRSA was found.2 MRSA is a bacterium that is gram-positive, meaning that it will take a stain
Words: 681 - Pages: 3
Dr. Roy Plunkett created Polytetrafluoroethylene also known as Teflon in 1938 after receiving his PhD in organic chemistry and took job with DuPont in Jackson, New Jersey. Dr. Roy was appointed to work on finding a non-toxic substitute refrigerant other than ammonia and sulfur dioxide. [1] Teflon was accidently invented when Dr. Roy and his assistant, Jack Rebok, were experimenting with one of the potential refrigerants; tetrafluoroethylene (TFE) and he consequently produced around 100 lbs of gas
Words: 829 - Pages: 4
Bacillus Anthracis spore at some point in that week. Once you eat the deer meat, you will also ingest the Bacillus Anthracis and soon you will become infected with gastrointestinal anthrax. The Bacillus Anthracis is a gram positive rod shaped bacteria that will cause anthrax disease if ingested, inhaled, or subcutaneously thought a break in the skin. Anthrax is also known as wool sorter’s disease.
Words: 1420 - Pages: 6
Introduction: The aim of this essay is to evaluate the significance of being diagnosed with Chlamydia Trachomatis (C. Trachomatis) Positive. The biological, social and psychological aspects of the disease will be thoroughly assessed by weighing the clinical manifestation, prevention and treatment options for the exemplar lady - Fiona. Majority of infected individuals with chlamydia are asymptomatic, consequently providing an ongoing reservoir of sexually transmitted infections (STIs). In 2014, there
Words: 1417 - Pages: 6
Discussion Paper 7 5. Step 1: Study the details of the case. Grandfather is a strapping man who spent most of his life engaged in physical labor and was proud of his work ethic and his indepen-dent spirit. He has suffered a stroke so he lost his ability to normal life. And he can’t eat by himself, even so his difficulty in swallowing causes him to aspirate small particles of food and drink, which causes frequent episodes of bacterial pneumonia. Step 2: Identify the relevant criteria–obligations
Words: 489 - Pages: 2
