his experiment was done to find out if garlic is effective in killing bacteria. This will help us understand the effectiveness of home remedies such as the use of natural herbs (including garlic) for medicinal purposes. Hypothesis Garlic will kill bacteria and prevent its further growth. Background Herbs and spices have traditionally been used in cooking as they add flavor to our food. These herbs and spices have also been known to many cultures for their medicinal properties. The oils that are
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Bacteria and Fungi are both very diverse groups of organisms and have numerous characteristics which set them apart from other living creatures. The domain bacteria possess traits which differentiate themselves from other organisms for example bacteria have prokaryotic cells‚ which means that their cells lack a nucleus‚ instead‚ they contain a nucleoid which contains a single circular chromosome. Additionally‚ bacteria do not have membrane-bound organelles‚ but most do have a cell wall made of peptidoglycan
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O2. The evolution of O2 causes bubbling. Thus‚ catalase-positive organisms that are mixed into hydrogen peroxide will cause bubbling (catalase-negative organisms will not). This test is good for distinguishing between Gram-positive cocci in chains (catalase negative) versus Gram-positive cocci in clusters (catalase positive). The coagulase test is used to differentiate Staphylococcus aureus from coagulase-negative staphylococci. The test uses rabbit plasma that has been inoculated with a staphylococcal
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Worked example from Tutorial 8 8.3 Three laboratories‚ A‚ B‚ and C‚ are used by food manufacturing companies for making nutrition analyses of their products. The following data are the fat contents (in grams) of the same weight of three similar types of peanut butter. | |Laboratory | |Peanut Butter |A |B |C |D | |Brand 1 |16
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Bacteria Prac Aim: To observe the growth of bacteria on Agar plates Hypothesis: That the bacteria will grow in colonies throughout the agar plates except for the one with the anti-biotic loop because some will fight off the bacteria. Method: (Method taken from prac sheet) Plate 1: Use the swab to cover your entire agar plate in your bacteria. You only need one swab of bacteria but be careful to cover the entire surface of your agar in a layer of bacteria. Carefully place an Antibiotic Mastring
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| |Factors affecting the growth of bacteria | Introduction: Bacteria make up a large domain of prokaryotic microorganisms. And how can be bacteria destroyed? Antibiotics are widely used in the prevention and treatment of infectious diseases. Antibiotic is a substance‚ such as penicillin or streptomycin
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Lab: The Bacteria Around You James Brunet Ms Owen October 14th‚ 2012 Part 1 Purpose To culture and observe the various types of bacteria found around Canterbury High School. Materials and Methods Refer to pages 422-425 of Biology 11 McGraw-Hill Ryerson and the handout “Gram Staining Procedure”. Observations Table 1: Locations of Bacteria Samples Quadrant | Location of Sample Obtained | 1 | Floor | 2 | Water fountain head | 3 | Auditorium Chair | 4 | Inside of Boys’ Bathroom
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Chemistry 1 February 3‚ 2014 Harvesting CaCo2 in a precipitate reaction results in less grams desired amount (2 grams) Abstract: The objective of this experiment was to synthesize 2.00 grams of CaCo2 for a hypothetical manufacturing company using the two least detrimental (in regards to health and the environment) and least expensive chemicals possible through a precipitate reaction. A precipitate reaction happens when cations and anions of certain aqueous solutions react and combine forming
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By Felicia Jin ABC^2‚ Make-A-Wish and Chinese clubs sold Valentine grams and treats Feb. 9-13‚ bringing the “sweets to sweeties” and funding for good causes. The gifts were purchased during the week and distributed to classes today. ABC^2 (Academically Better Children’s Club) held a bake sale for the first time in the Main Hall and will be donating their proceeds to the St. Jude’s Hospital. “It’s hard to say how much money we’re trying to raise because it’s our first time‚ but we’re hoping for a
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who has type 1 diabetes and is very physically active. An example of a healthy day of eating for Jason would be three meals that do not individually exceed 60 grams of carbohydrates. As for between meals and to promote energy for sports‚ it would be a good idea for Jason to choose nutrient dense snacks that do not contain more than 30 grams of carbohydrates. Some snack suggestions might be a small granola bar‚ nuts and fruit‚ or peanut butter crackers. Jason’s morning meal could be a breakfast burrito
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