(Salivary amylase) against temperature” aims to know and observe the enzyme activity of the human saliva. The research only included the use of starch-agar as the medium to observe enzyme activity during the experiment. Five starch-agar plates were prepared and each were labeled 1‚ 2‚ 3‚ 4 and 5 respectively. One mL of saliva were placed in each starch-agar plate which was holed then incubated for 24 hours. The plate labeled 1 was stored with 0ºC. The plate numbered 2 was stored at 15ºC‚ plate 3 at
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Individual Profile 1. Name: Dr. Aradhana 2. Designation: Reader 3. Department: History 4. Specialization: Ancient/Modern Indian History 5. Coresspondence Address: 52‚Green City Colony‚vill. Sofipur Roorkee Road‚Meerut-250001‚U.P.‚ India 6. Telephone: +91-121-2956041‚ 09759240896 7. E-mail: dr.aradhana@yahoo.co.in 8. Educational Profile: Ph.D. (History) With specialisation in‘Modern Indian History’‚ fromC.C.S.university‚ 1998. Have done M.Phil. with First
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A2 Practical Investigations Title: The effect of Temperature on the growth of Aspergillus oryzae Develop a Hypothesis This particular investigation is to discover how a range of temperatures effects the growth rate of the fungi Aspergillus oryzae. Most fungi’s tend to survive within the temperature range of 5-35oC‚ with the optimum depending on their normal environmental temperature. The fungi Aspergillus oryzae is heterotrophic which means they taken in their food from dead organic matter and cannot
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(Pearson’s 2011). Mannitol Salt Agar The Mannitol Salt Agar test was used to test only the Unknown Gram-positive bacteria. One colony from the Unknown 13A plate was used to inoculate the Mannitol Salt Agar Plate. After the plate was inoculated‚ it was placed in an incubator at 35ºC for 48 hours. If the agar surrounding the culture changed from red to yellow the test was positive‚ which indicated that the bacterium was capable of fermenting mannitol (Pearson’s 2011). If the agar surrounding the culture did
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to his powerful‚ brainwashing speeches; his persuasive book‚ Mein Kampf; and his ability to intimidate people. One of the ways Adolf Hitler had a negative impact on the world is through his speeches. Hitler brainwashed everyone into thinking what he was doing to Jewish people and other religions was okay through his speeches. He used powerful hand motions and emphasized his sentences‚ making him a strong orator. As stated in the
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Purpose The principle of this experiment is to have a thorough perceptive of: • Culture washed and unwashed lettuce on agar plate. • Culture fresh and opened milk with the same expiration dates. • Explain the significance of food safety. • Illustrate foodborne sicknesses.
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ASEPTIC TECHNIQUES AND SOURCES OF MICROBIAL CONTAMINATION. Introduction The spread of infections has come to a point where it has become catastrophic. Aseptic technique is the method used to prevent contamination of infections. It is widely used in hospitals‚ pharmacy‚ and pharmaceutical industries and in laboratories. Different establishments have come up with more ways to improve infection control. In hospitals health care acquired infections are costing the NHS £1 Billion a year and
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aeruginosa was gram-positive and therefore it would be susceptible. That was my hypothesis.We divided antiseptic agar plate into quadrants and divided antibiotics agar plate into six areas. We wrote the organisms’ name‚ date‚ and the temperature on the bottom of the agar plates. For antiseptic‚ our group used one color code for each quadrant. We streaked the swab in three directions on the agar plate and used sterilize forceps to remove filter paper discs from the container‚ and dipped it into solution
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reactions or metabolic pathways‚ each was used in a way to help recognize those specifics and identify the unknown cultures. The differential tests used to identify the unknown cultures were oxidase‚ catalase‚ lactose and sucrose fermentation‚ Kugler/iron agar‚ nitrate reduction‚ gelatin hydrolysis‚ starch hydrolysis‚ manitol salt‚ MR-VP‚ citrate‚ bile esculin‚ indole‚ urease‚ DNase‚ and coagulase. Material & Methods The tests performed on the unknown bacteria cultures were all used to determine
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Abstract In an environment isolation procedure‚ experiments under categories‚ such as‚ morphology‚ physiology‚ antibacterial susceptibility‚ selective media‚ and biochemical provide results. Both the unknown isolate and members of the Micrococcus genus were shown to be obligate aerobes. By using staining methods‚ this proved that the organism is gram positive. Morphology‚ such as‚ orange pigmentation and coccus shape provide similarities to the Micrococcus genus. Physiological tests were shown to
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