CHAPTER I INTRODUCTION Background of the Study Mangrove swamps are forested intertidal ecosystems that occupy sediment-rich sheltered tropical coastal environments. By trapping and stabilizing fine sediments‚ mangroves control the quality of marine coastal waters. Aside from maintaining coastal food webs and populations of animals‚ mangroves have an important role in pollution control through their absorptive capacity for organic pollutants and nutrients‚ and they play an important role in storm
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and starch agar. OBJECTIVES: distinguish between different bacterial species based on colony morphology on agar plates To distinguish the growth characteristics of microorganisms in various differential‚ and selective media. Differentiate bacteria based on their ability to hydrolyze starch. Materials: Plates of EMB‚ Starch and blood agar. Stool sample. Inoculating loop. Bunsen burner. Soil sample. Cotton soap. Skin sample. Gram iodine. Results: Starch agar: Special
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EFFECT OF USED OIL IN Trichoderma harzianum A Thesis Presented to the Faculty‚ Special Science Class Iloilo National High School La Paz‚ Iloilo City In the Partial Fulfillment in the subject Research III Sheree Joie Montomo Polonan January 2013 Chapter 1 Introduction of the Study Chapter 1 is divided into five parts: (1) Background of the Study‚ (2) Statement of the Problem and Hypothesis‚ (3) Significance of the Study‚ (4) Definition of Terms
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bacteria‚ the first step was to isolate each bacterium using streak plate technique. Tryptic Soy Agar (TSA) plate‚ and differential media such as mannitol salt and Eosin methylene blue (EMB) were used for isolation streak technique. This step is imperative because the bacteria need to be separated and isolated before they can be identified. Moreover‚ gram staining was used to understand the basic morphology of these bacteria. As these plates were incubated and grown‚ the presence of two separate bacteria
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Research Plan Title: In vitro Antibacterial Activity of Santol (Sandoricum koet jape) at Different pH of Agar School : Ramon Magsaysay (Cubao) High School School Address: Ermin Garcia St.‚ Cubao Quezon City Research Adviser: Mr. Ryan D. Balandra Statement of the Problem The aim of the study is to identify the effect of different pH level of the Agar plate to the antibacterial activity of Santol (Sandoricum koet jape). Specifically‚ the study will seek for the answer of the question:
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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 Candidate Name: Lois Adrienne Dianne Soriano Dulay Candidate Session Number: 003072-032 Word Count: 3997 Supervisor: Ms Kate Barry Date of Submission: 25th July 2011 Acknowledgments Firstly I would
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An agar plate is a Petri dish that contains a combination of agar and nutrients that help microorganisms grow. The proper method of setting microorganisms on an agar plate is know as “streaking”. In order to streak‚ the microorganisms are placed on a sterile swab or metal wire‚ which is then dragged lightly against the agar solution‚ leaving behind the microorganisms. The amount of organisms is greatest at the beginning
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In the 2nd phase‚ chitin will then be dissolved in less than 40% of Sodium Hydroxide‚ and heated to 90celcius which will convert the Chitin into Chitosan upon dissolving. The third phase will take place over 3 days. The nutrient broth and nutrient agar will be prepared first. On the 2nd day‚ the bacteria broth will be prepared prior to an overnight culture on the same day using E-Coli and M.Luteus. On the 3rd day‚ the Anti-bacterial well diffusion test will be carried out. Finally‚ we will
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Identification and Starter Culture Activity of Lactoccocus lactis MATERIAL & METHODS MATERIAL: Apparatus: 1. Capped test tubes 2. Test tubes holder stand 3. Beakers 4. Microscope 5. Incubator 6. Platinum loop 7. Microtitre plate 8. Durham tubes 9. Conical Flask 10. Measuring cylinder 11. China dish 12. Funnel 13. Spatula 14. Weighing balance 15. Autoclave 16. Aluminium foil 17. Petri dishes with lids 18. pH meter 19. Burner
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I first plated my unknown mixture on Tryptic Soy Agar (TSA)‚ Columbia Naladixic Acid (CNA)‚ and MacConkey’s Agar (MAC) plates. After 48 hours of incubation‚ it was unclear that two different bacterial colonies had grown on my TSA plate. Only one type of colony was evident. However‚ it was apparent that I had successfully isolated two different bacterial species by examining my MAC and CNA plates. Only one type of colony had grown on my MAC plate indicating a gram negative species‚ which I chose
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