Microbiology and Process Analysis laboratory 25/10/2013 Group 1 Microbiology laboratory Abstract The lab exercises were divided into three different analysis; microscopy‚ soil microbiology and bacterial growth. The main aim of laboratory work with Escherichia coli and soil sample was to introduce students to bacterial growth in pure culture and soil microbial flora. The experiment of bacterial growth in pure culture using optical density
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Plantation” and “Plymouth Colony” are about the pilgrims and their hardships and how they survived. The two give two different give different information about how long the move took‚ and how bad it actually was. The “Plymouth Colony” was written years after without the experience while the “Of Plymouth Plantation” was written by a guy that was actually there. There were a lot of the hardships Pilgrims faced once they were living in the new world. According to the “Plymouth Colony”‚ “More than half the
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New England and the Chesapeake Compared MARY BETH NORTON The England that the seventeenth-century migrants left behind was undergoing dramatic changes‚ many of which stemmed from a rapid rise in population that began early in the sixteenth century. As the population grew‚ the economy altered‚ social stratification increased‚ and customary modes of political behavior developed into new forms. England’s ruling elites saw chaos everywhere‚ and they became obsessed with the problem of maintaining
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The 13 English Colonies (1630-1750) As the colonies grew in the 1600’s and 1700’s‚ they became the home to people of many lands. These people brought their own customs and traditions. In time‚ they shaped these old ways into a new American Culture. 1 13 colonies 2 1.The New England Colonies More than 1‚000 men‚ women and children left England in 1630 to settle in the Americas. They set up their colony in Massachusetts Bay‚ North of Plymouth. Over the next 100 years‚ English
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Experiment 1: Isolation of Casein from Milk * pH of milk – 6.6 * milk = 87.1% water‚ 4.9 % CHO 3.9 %‚ fats‚ 0.7% minerals Experiment 2: Protein Hydrolysis and Characterization | Reagents | Principle | Test for | Positive Result | Negative Result | Biuret | CuSO4‚ NaOH | Complexation of Cu+2 with amide N atoms | Polypeptide bonds | Violet/purple solution | Blue color solution | Sakaguchi | 10% NaOH‚ 0.02% α-naphtol solution‚ 2% NaOBr | arginine condenses with α-naphtol and NaOH
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consistent and precise recovery‚ effective use by personnel without extensive training‚ and the elimination of laboratory manipulation after sampling (Marriott and Gravani 2006). On the other hand‚ the disadvantages of this method are the spreading of the colonies and applicable to only limited to low levels of surface contaminants. 2.1.2 Swab Method The Swab method is among the most Reproducible Methods used to determine the population of microorganisms present on equipment or food products (Marriott and
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Chapter 5 – Short answer a) Phosphorylation - the addition of phosphate to a chemical compound b) What are the 3 mechanisms of phosphorylation used by organisms? • Substrate level phosphorylation – ATP is generated when a high-energy phosphate is directly transferred from a phosphorylated compound (substrate) to ADP • Oxidative phosphorylation – electrons are transferred from a group of organic compounds to a group of electron carriers (NAD+ and FAD); occurs in inner mitochondrial
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Microbiology 215 exam #2 chap 7‚ 11‚ 12 81-90 essay: 10 points Describe the Kirby Bauer Test? Make sure you describe all the key elements. 1. Using sterile technique‚ inoculate 3 nutrient agar plates individually with: a. E. coli b. S. aureus c. M. smegmatis 2. Place antibiotic disks evenly spaced on the inoculated agar plates and incubate at 37C for 24-48 hours. 3. Using sterile technique‚ inoculate 3 nutrient agar plates individually with: a. E. coli b. S. aureus c. M. smegmatis
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The pivotal theme of isolation and alienation from mankind highlights Firdaus’s indifference‚ even disdain towards human society. Firdaus’s bold opening statement has lucratively proven a unique outlook of Firdaus’s life “Let me speak. Do not interrupt me.” (1) The rigorously crafted manipulation of short sentences not solely fastens the pace of the extract‚ yet conjointly builds up the chronological train of thought throughout the extract. The passage begins with short sentences‚ that sets the scene
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Bacteria Lab Report Introduction The purpose to this lab was to identify an unknown bacteria from a mixed culture provided to us by our instructor. This study was done by applying all of the methods that have been instructed on thus far in microbiology laboratory class. Each test performed‚ provided us with some key information about the unknown organism in question and how the bacteria function. Over a two week period‚ eight prepared types of test media were provided to identify the assigned
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