• A Heart on the Rise
    Title : Identifying Skin Flora Abstract: The identification a skin flora was tested in this lab experiment. This was done using the streak plate method , smearing, gram staining and Kirby- Bauer method. The bacteria were observed on agar plates and also under a microscope (gram staining). From...
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  • Not a paper
    the identification of unknown bacteria. Materials and Methods An unknown labeled #1 was given out by the lab instructor. The methods that have been learned thus far for identifying bacteria have been applied to this unknown. The first procedure that needed to be done was to do a gram stain to...
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  • Lab Report
    of test in the lab were done. To decipher the two bacteria, the first procedure that needed to be done was to streak two Blood Agar plates (BAP) and a Trypticase Soy Agar plate (TSA) with the given test tube of bacteria. The Quadrant method was used to streak the plates, and this method was used...
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  • Practical
    they appear on or in the different media.The pigmentation,size,and shape of bacterial colonies as they grow on and in agar plates can provide identifying signs. Observing the growth characteristic of organism in broth cultures can also be helpful. The major problem that may arise are contamination and...
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  • Unknow Lab Report
    (MSA), Blood Agar, Novobiocin, Coagulase, and DNAse (Alachi, 2007). Rebekah Worley February 21, 2012 Mitchell Section 4 Biol 311 Staining and Identifying Unknown Bacteria Introduction: The microbiology lab up to this point has been used to teach the students how to stain and identify bacteria...
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  • Microbiology Lab Report
    reagent was added In the starch agar plate, iodine was added. Results The gram stain indicated that the unknown was a small, rod shaped gram negative bacteria. The Phenylethyl Alcohol and Mannitol Salt Agar plate showed no growth. The MacConkey agar plat showed pink/red growth. The Eosin...
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  • Culture Media
    let the air borned bacteria to enter the three petri dish unconsciously or the plate was not closed properly. When we observe the agar deep and slant, we found out that both deep and slant that are not sterile was contaminated while the deep and slant that was not autoclaved were contaminated...
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  • Microbiology
    surface of agar in a petri plate. Enough bacteria are added so that instead of appearing as discreet colonies, the bacteria completely cover the plate. This confluent is called a lawn. The phages infect bacterial cells they encounter and lyse them, releasing more phage particles that can infect...
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  • Unknown Bacteria
    lab, then streaked on sterile LB agar plates and grown overnight in an incubator. A different “unknown number” is given to each place bacteria are collected. Students then use these plates to make their own “unknown plate” by streaking for single colonies. In the first step in the biochemical...
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  • bacteria lab
    going to contain less bacteria than the women’s restroom. Treatment: Sampling the bacteria present in the men’s and women’s restroom. Control: The agar plate with the sterile water only. Replication: We have no replication dishes, but we divided the dishes into two different groups. By the bacteria...
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  • Determining Unknown in Microbiology Lab
    Pierce’s Microbiology: Laboratory Theory and Application. The first and easiest data to record is the color of the bacterial colonies on a nutrient agar plate. Growing the cultures on the agar can be done by streaking a plate so as to isolate the bacterial colonies. Then separate the two colonies that...
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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...
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  • Normal Flora
    specifically used to determine the presence of staphylococci and streptococci on the skin and throat. A mannitol salt agar plate is used for identifying native skin flora and is inoculated to observe the presence of staphylococci, specifically the pathogenic versus the non-pathogenic. The pathogenic...
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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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  • Mirco Lab
    almost no damage to the bacteria, and the Scope killed the most. In experiment three, there were a lot of different kinds of organisms persent on the agar. On the plate that contained nasal micro-organisms, large yellow colonies appeared on the Mannitol Salt Agar, indicating Staphylococcus aureus. On...
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  • Bacterial Isolation report
    360 85 34 Calculation of the initial number of bacteria in soil sample (10-5dilution): = = = cpu/g/ml cpu/g/ml Subculture: Table 2: The observations of the soil sample and control plates by sub-culturing the single colony on the burk’s agar throughout the five weeks of...
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  • Unknown Bacteria
    should have gas in the inverted tube and a yellow median. PEA agar (phenylenthyle alcohol agar): The PEA agar selects for gram-positive bacteria, inhibiting growth of Gram-negative bacteria on the PEA plates. TSA agar : This is a medium in which all bacteria grow, it was use to grow our bacteria...
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  • Micro Lab Report
    contamination from unwanted places. Microorganisms are found in dust particles suspended in the air or and on nasal secretions that are a result of sneezing (Department, 2009). Materials needed are: 100 ml of melted nutrient agar, five sterile petri plates, and sterile cotton swabs. The first step is to...
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  • Biology Paper
    room temperature. You must put gloves and goggles well touching the tubes, pipettes, or plates that contain bacteria. Now you may locate your chemical and any other solvents you are adding to the soft agar overlay tubes. Use the measurements from table 1 to know how much agar, strain, and chemical...
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  • Unknown
    your test results appropriately select media to identifying unknowns ask for help keep your bacteria in pure culture check your results in a timely fashion (which may be CRITICAL for certain tests) ask for ID books when you cannot find them (Bergey’s Manual chapter in eCampus) put everything back where...
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