Hartpury College Fdsc Equine Science Animal Microbiology Diagnosis and treatment of disease UIN XGJ-10-1 Amanda Finch Date Set: 20th September 2010 Date due: 17th November 2010 Contents page Page Title page i List of contents
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NAME: PRAJWAL BHARADWAJ Ampicillin‚ Vancomycin‚ and Tetracycline Effectiveness on Gram Positive and Gram Negative Bacteria. INTRODUCTION: Bacteria are microbial organisms which are present in various environments. Many bacteria are good and help humans synthesize materials and assist in biological processes‚ such as digestion. However‚ some bacteria can cause harmful diseases. When harmful bacteria infects the body‚ people take antibiotics in order to suppress bacteria. Different antibiotics have
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is conducted to identify the bacteria as gram negative or gram positive. Two other stains were carried out. To determine the motility of the bacterium‚ wet mounts of the bacterium were observed and the motility was confirmed by using soft agar plates and soft agar deeps for
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As community succession occurs in bacterial colonies pH‚ odor‚ color‚ and consistency changes take place. In this experiment‚ four different milk age samples‚ fresh‚ 24 hour old‚ 4 day old‚ and 8 day old milk‚ will be prepared on different sets of agar plates that will be diluted to different levels for optimum bacterial growth and measurement. To identify the resulting colonies a procedure called gram stain is used in the identification of bacteria. Bacteria can be gram-positive‚ gram-negative
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same temperature and to make sure it is not too hot to kill the bacteria and not too cold to prevent the solution from combining. Amount of bacteria used on each agar dish. This is to make sure that no brand of detergent is either more advantaged or disadvantaged than the other in its ability to kill the bacteria. Amount of time each agar dish spent in incubation and the temperature of the incubator. To ensure the bacteria has an equal chance of growing within the same timeframe. Materials 4 beakers
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certain situations. Different samples of bacteria cultures were gathered from different places such as the mouth‚ shaded mulch‚ and from the table top. The samples were collected by using a cotton swab and swiped onto a petri dish filled with nutrient agar. The bacteria were then left to grow on their own in a relatively well shaded area. As a control‚ a cotton swab that had nothing on it was used. It was recognized that different types of bacteria exist in different environments and grow in different
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ABSTRACT The effect of molecular weight on the rate of diffusion was measured using two tests namely: the glass tube test and the agar-water test. The set-up of the glass tube test used two cotton balls of the same size. One cotton ball is moistened with hydrochloric acid (HCl) and the other one is moistened with ammonium hydroxide (NH4OH). The two cotton balls were inserted in both ends of the glass tube. NH4OH which has a lighter molecular weight (35.0459 g/mole) diffused with a faster rate (dave=20
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A streak culture was performed on a Tryptic Soy Agar Plate for isolation and purity and then incubated at 37 degrees Celsius for 24 hours. A gram stain was performed to determine whether the bacterium was a gram negative or a gram positive. After performing the gram stain‚ I concluded that by the appearance of purple spherical clusters resembling grapes that is was a gram positive cocci. A Catalase test was then performed using hydrogen peroxide. A positive catalase test was observed
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(RESEARCH TREATISE) By SITUMBEKO LIWELEYA (s213459531) Submitted in fulfilment of the requirements for the degree of BACHALOROUS TECHNOLOGIEA: BIOMEDICAL TECHNOLOGY At the At Nelson Mandela Metropolitan University Port Elizabeth‚ 2013. SUPERVISOR- PROFESSOR SMITH. N. DECLARATION I‚ the undersigned‚ hereby declare that the research work contained in this study is my own original work‚ and all the sources I have used or quoted have been indicated and acknowledged
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This experiment tested the growth of E.coli with inserted plasmid on an agar plate with Ampicillin. One colony of E.coli resistant to Ampicillin was grown during this experiment. The overall goal of the experiment was to successfully grow E.coli on the agar plate‚ which would show that the plasmid had been effectively inserted into the bacteria’s genes. This experiment helped students understand how plasmids were inserted into bacteria and used in real life situations. It also showed how the bacteria’s
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