• Isolation and Purification of Lyngbya majuscula on Nutrient-enriched Agar Plates
    Isolation and Purification of Lyngbya majuscula on Nutrient-enriched Agar Plates A Special Problem Isolation and Purification of Lyngbya majuscula on Nutrient-enriched Agar Plates ABSTRACT Lyngbya majuscula samples were obtained from the Phycology Laboratory stock...
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  • Agar plates
    DIFFERENT TYPES OF AGAR Mac Conkey‘s Agar plate MacConkey (also McConkey) agar is a culture medium designed to grow Gram-negative bacteria and stain them for lactose fermentation. It contains bile salts (to inhibit most Grampositive bacteria, except Enterococcus and some species of...
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  • Klebsiella Bacteria
    A very important technique in Microbiology laboratories is identifying unknown bacteria cultures. Unknown identification is used for practical purposes, such as diagnosing diseases or determining treatment of an infection. Microbiologists identify unknown bacteria to determine new and emerging inf...
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  • Bacteria and Plasmid to Produce Red Fluorescent Proteins
    Bacterial Transformation Bacteria and plasmid to produce Red Fluorescent Proteins Alejandra Lopez...
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  • Manipulation of Bacteria
    MANIPULATION OF BACTERIA INTRODUCTION: In this experiment that we performed, there were many methods that were used to help us manipulate and identify the bacteria E.coli on a MacConkey agar plate. The first part of the experiment involved the methods of manipulating, identifying and counting the...
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  • Unknown Bacteria
    Introduction: Biological organisms are classified uniformly in order to easily categorize and identify organisms. This classification, or taxonomy, uses the genus name followed by the species name, in Latin. By having a universal method of identifying bacteria allows for all scientists from any par...
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  • Unknown Bacteria
    Identifying Unknown Bacteria Using Biochemical and Molecular Methods Beginning of Instructor Pages Instructor Pages - - 3 Purpose The purpose of this lab is to introduce a variety of lab techniques to students working on the common problem of identifying an unknown bacterium. This lab helps s...
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  • Micro Lan Unknown Bacteria Salmonella
    Title: “Identification of Unknown #1” Purpose: Discovering and studying new bacteria can lead to new innovations and possible cures for existing or future diseases. The investigation of bacteria can also help incubate ourselves or act quickly in response to an invasive strain. The commercia...
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  • Examination of Bacterial Plates
    Practical 9: Examination of Bacterial Plates Objective: 1. To examine bacteria pigmentation, colony, margin characteristics, elevation properties, broth characteristics and agar stroke properties. 2. To examine bacteria growth characteristics on different culture media. Introduction: B...
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  • Systematic Identification of Bacillus subtilis and Serratia marcescens Through a Battery of Tests and Plates
    Systematic Identification of Bacillus subtilis and Serratia marcescens Through a Battery of Tests and Plates Introduction: The purpose of this experiment was to use a systematic battery of tube tests and plates designed to lead to identification of two unknown bacterial species, from the...
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  • The Effectiveness of Common Acne Products Against P. Acnes Bacteria
    The Effectiveness of Common Acne Products against P. acnes Bacteria Kathryn Henshaw Taunton High School Honors Chemistry I Mr. Osowick January 23, 2013 Table of Contents Abstract3 Background Research4-9 What is Acne Vulgaris? 4 How does Acne Vulgaris Form?6 How is Acne Vulgaris Tr...
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  • The Role of Agarase in Agar-Degrading Bacteria
    The Role of Agarase in Agar-Degrading Bacteria Abstract Agar-Degrading (agarolytic) Bacteria is physiological class of bacteria capable of utilising agar as a sole carbon source. This ability is made available by the use of agarases - enzymes which break down agarose into oligosaccharides....
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  • Nitrogen Fixing Bacteria
    Nitrogen is one of the main nutrient elements of plants which substantially affect the quantity and quality of the crop yield. The intensive crop production technologies utilize huge amounts of artificial nitrogen fertilizers. Thus, the crop productivity is considerably affected by the expenses of n...
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  • Dose and Temperature – Related Response of the Stem Borer, Chilo Partellus (Lepidoptera: Pyralidae) to Bacteria Bacillus Thuringiensis (Berliner) Delta-Endotoxins
    Dose and temperature – related response of the stem borer, Chilo partellus (Lepidoptera: Pyralidae) to bacteria Bacillus thuringiensis (Berliner) delta-endotoxins *Kimani G.1, 2, Mwathi J.W.1, Nyambaka H.2, Kasina M.1, Okomo M.1 *Corresponding author email: gikimn@gmail.com 1Kenya Agricult...
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  • The Effects of Black Tea on the Growth of E. Coli Bacteria Cultures
    The effects of black tea on the growth of E. coli bacteria cultures Kierstin Barker, Melissa Bischak, Jackie Tyszkiewicz, Errin Enany September 25, 2012 Abstract: This study was carried out in order to investigate whether black tea has antimicrobial properties as stated in Steven Johnson’s The...
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  • Oxygen Requirements of Bacteria
    Oxygen Requirements of Bacteria BACKGROUND  The GasPak system is useful for culturing anaerobic bacteria on standard microbiological media because the GasPak generates carbon dioxide and hydrogen. The hydrogen will combine with oxygen present in an anaerobic jar to produce water. This syste...
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  • Agar
    Agar From Wikipedia, the free encyclopedia Jump to: navigation, search Not to be confused with auger or augur. For other uses, see Agar (disambiguation). Culinary usage Mizuyōkan - a popular Japanese red bean jelly made from agar. Scientific usage A blood agar plate used to culture bacteria a...
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  • Inhibition of Bacteria
    Inhibition of Bacteria Antibiotics and Antiseptics Introduction: In 1928 Alexander Fleming, a Scottish scientist discovered the antibiotic penicillin almost by accident. He observed a mold growing on a bacterial culture in his lab. More importantly, Fleming noticed a clear zone arou...
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  • Is Tea-Tree Oil Effective in Controlling and Minimising the Growth of the Escherichia Coli Bacteria?
    QUEENSLAND ACADEMIES FOR SCIENCE, MATHEMATICS AND TECHNOLOGY International Baccalaureate Diploma Program Extended Essay in Biology Is Tea-tree Oil effective in controlling and minimising the growth of the Escherichia coli Bacteria? A study of the effectiveness of a Natural Antiseptic Ca...
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  • Bacteria
    Lab 11 Methodology By using aseptic, a little cultured bacteria was inoculated on the TSA agar. A quadric streak was making. Inoculation loop was heated and keep it cold for a while before the next quadratic streak. Six agar plates were observed for 24 hour at temperature of 30ºC. Choose one...
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