this experiment which are the brand of dishwashing detergent; Palmolive‚ Morning Fresh and Ultra Coles Brand and the type of bacteria used which are; Micrococcus Luteus and an unknown bacteria from a sponge. Dependent Variable The dependent variable is the factor that is being tested which is the size of the zone of inhibition from the detergent solution and the bacteria. It will be measured in millimetres using a ruler. Constant Variables Constant Variables are set in place in order to produce
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Definition for antibiotic resistant bacteria: WebMD definitions: Antibiotic resistance is a type of drug resistance where a microorganism is able to survive exposure to an antibiotic. Genes can be... en.wikipedia.org/wiki/Antibiotic-resistant_bacteria Antibiotics were designed to kill bacterium that infect us. Unfortunately‚ they are indiscriminate and also kill the good bacterium that are mostly found in the large intestinal tract. This leaves a person open to reinfection‚ or other more
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This Chip Can Tell If You’ve Been Poisoned Quick detection. This 2-cm-wide chip (inset) can quickly test for botulism‚ a deadly disease caused by theClostridium botulinum bacterium. When you are dealing with a deadly poison that can be found in food and is a potential terrorist weapon‚ you want the best detection tools you can get. Now‚ researchers in France have demonstrated an improved method to detect the most deadly variant of the botulinum neurotoxin‚ which causes botulism. Their test
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Unknown 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
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Introduction The purpose to this lab was to isolate and identify two 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 microbes in question and how the bacteria function. Materials and Methods Over a two week period‚ eight prepared types of test media were provided to
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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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Bacteria Classification By Gram Staining THE AMERICAN UNIVERSITY IN CAIRO BIOLOGY DEPARTMENT SCIENCE 453 : BIOLOGY FOR ENGINEERS REPORT No.1 Presented By : Karim A. Zaklama 92-1509 Sci. 453-01 24/2/96 Objective: To test a sample of laboratory prepared bacteria and categorise it according to Christian’s gram positive and gram negative classes and also by viewing it under a high powered microscope and oil immersions; classify its shape and note any special characteristics. Introduction: Bacteria
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but diversely distinctive by the specific way they accomplish that means‚ hence all the different classifications. It was in the year of 1888 that the studies of two German scientists‚ Hellriegel and Wilfarth‚ proved that it was the root nodule bacteria that provided nitrogen to their host plants. The next year‚ Frank (1889) published the nodular symbiont under the name Rhizobium leguminosarum‚ and it has remained to this day. These studies brought to light the importance of rhizobia and leguminous
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This is because gold is very resistant to bacteria. Bacteria are microscopic single-celled organisms. Bacteria are prokaryotes‚ meaning the entire organism consists of a single cell with a simple internal structure. The DNA of a prokaryote is neatly packed in the nucleus. The bacterial DNA floats freely in a twisted threadlike mass called the nucleoid. Gold is unaffected by almost everything. The only materials that can affect gold are man-made. Since bacteria are a natural organism‚ it cannot react
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