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 Door Handle | Table 2: Growth of Bacteria
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Cited: Runkle‚ Nicole. "The Black Death." USCience Review. University of Southern California‚ 8 Feb 2012. Web. 20 Apr 2013. <http://www-scf.usc.edu/~uscience/black_death.html>. Gupta‚ Radhey. "Origin of diderm (Gram-negative) bacteria: antibiotic selection pressure rather than endosymbiosis likely lead to the evolution of bacterial cells with two membranes." US National Library of Medicine. National Institutes of Health‚ 20 Jun 2011. Web. 20 Apr 2013. <http://www
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Pseudomonas and identifying it using phenotypic properties and DNA sequencing as an existent or completely new and undiscovered species of Pseudomonas. Overview: Genus Pseudomonas is a chemoheterotrophic bacteria found in soil and water. They are Gram negative‚ motile‚ paired rods that are also oxidase-positive. Pseudomonas species are well known for their ability to metabolize many different organic nutrients‚ allowing them to be viable in multiple‚ diverse conditions. The Pseudomonas organisms
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2.1 Bioreactor configuration: Stirred tank bioreactor is a cylindrical vessel. The semi-circle bottom of the cylindrical vessel was made of stainless steel with an internal diameter of Ti=8 inch‚ outside diameter 10 inch and height of vessel 24 inch giving it a 3:1 height to diameter ratio for the working volume (Group et al.‚ 2006). The experiments were performed in batch conditions at different temperature‚ pH and atmospheric pressure. The liquid phase was deionized water (28± 0.5°C). Filtered
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1. Introduction Microscopy is an essential technique not only in cell biology but natural science as a whole. We compared different types of microscopic techniques ‚ according to the specimen used and the scope of the experiment. Two specimens‚ stained and unstained‚ containing CHO cells‚ were prepared‚ examined and analyzed under the microscope using bright field (HF)‚ dark field (DF) and phase contrast (PH) settings. In addition‚ the four phases of cell division cycle were estimated.. Bright
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FEMS Microbiology Reviews 27 (2003) 99^127 www.fems-microbiology.org The microbiology of biological phosphorus removal in activated sludge systems Robert J. Seviour à ‚ Takashi Mino‚ Motoharu Onuki Institute of Environmental Studies‚ Graduate School of Frontier Sciences‚ University of Tokyo‚ 7-3-1 Hongo‚ Bunkyo-ku‚ Tokyo 113‚ Japan Received 11 December 2002; received in revised form 18 February 2003; accepted 20 February 2003 First published online 20 March 2003 Abstract Activated sludge
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MASINDE MULIRO UNIVERSITY OF SCIENCE AND TECHNOLOGY P.O. BOX 190-50100 KAKAMEGA FACULTY OF SCIENCE DEPARTMENT OF BIOLOGICAL SCIENCES COURSE TILTE: INDUSTRIAL/FIELD ATTACHMENT COURSE CODE: SBL326 NAME: PAMELA K. MUKWEYI REG. No.: BTE/0517/08 DURATION: 9TH MAY – 20TH JULY 2012 SUBMISSION DATE: ATTACHMENT PLACE:CENTRE FOR MICROBIOLOGY RESEARCH- KEMRI Scope/purpose The Industrial Attachment program fulfils part of the requirement in pursuing the degree
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identified using a method called Gram staining‚ whereby a stain is used to differentiate different types of organisms. Bacteria with and without a cell wall are classified as Gram-positive or Gram-negative‚ respectively. Bacterial types vary by shape and size. Coccus Coccus refers to spherical shaped bacteria that may live as individual cells‚ or pair up to form chains or bunches. Staphylococcus and Streptococcus are the most common bacteria in this group and usually are Gram-positive. These bacteria perform
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apples‚ and papaya. To achieve the most favorable result‚ the prescribed procedure of making wax was exactly followed by weighing the components to the desired proportions-2000:100:50 [2000 milliliters (m1) coconut water‚ 100 ml cooking oil‚ and 50 grams (g) bees wax]. The components were then mixed‚ cooked‚ and cooled. Results show a significant difference in the duration of fruit freshness‚ with the fruits treated with coconut water wax retaining freshness for the most number of days. INTRODUCTION
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battery of tube tests and plates designed to lead to identification of two unknown bacterial species‚ from the combination of all results. A sample of bacteria was used‚ labeled “Sample 4”‚ from which both species was to be obtained‚ one gram positive and one gram negative. Table 1 is a list of the possible bacteria to be identified; the basic ideas and practice of identification of an unknown sample of bacteria are important for a microbiologist to develop. Not only is proper procedural practice
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