performed this test‚ the initially slant for unknown microorganism #17 is important. For this lab‚ two identical slants are used for two reasons. Firstly‚ the slant can be used to make sure that there is no contamination from the Nutrient Agar plate. Secondly‚ the second slant will become a stock culture to prevent the shortage of slants during performing the series of tests. Kliger’s Iron Agar tests can be used to determine multiple characteristics of unknown microorganism #17. Kliger’s Iron Agar slants
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Introduction The purpose of this lab was to explore the properties of an unknown compound. An unknown was given and a cation flame test and anion test was performed to determine the identity of the compound. Once the identity was determined‚ the properties were explored. Experimental To determine the cation of the compound‚ a cation flame test was performed. A bunsen burner was lit until a medium blue flame was burning. The given unknown was scooped onto a nichrome wire loop. The wire was held
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Shakira Jarvis Microbiology Lab Assignment Laboratory Assignment Outline 1. Check in & The Microscope a. Review of proper lab etiquette. i. Review laboratory syllabus and b. Review of the Parts of a Microscope ii. Review of lab exercises about different types of Microscopes 2. Survey of Microorganisms c. Viewing‚ drawing‚ and describing several types of fungi‚ algae‚ and Bacteria iii. Chlamydomonas iv. Spirogyra
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Klebsiella pneumoniae is a Gram negative bacilli ‚ non-motile and capsulated . It appears as a mucoid in MacConkey agar it’s ferment lactose. According to biochemical tests the klebsiella gave negative result for oxidase‚ indole‚ methyl red‚ hydrogen sulfide‚ phenylalanine‚ gelatin hydrolysis‚ DNase and lipase. On other hand klebsiella gave positive result for citrate‚ urease hydrolysis‚ lysine decarboxalyze‚ acid form lactose‚ acid form glucose‚ acid form sucrose‚ acid form maltose‚ acid form mannitol
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Microbiology-2460 Lab-003 March 31‚2008 Lab Report-Escherichia coli Abstract The purpose for this lab report was to identify and inform of an unknown bacteria that has been causing a patient to have lower abdominal and pelvic pain. To obtain the identification of this unknown bacterium‚ several biochemical tests needed to be performed in order to prescribe the correct medication to treat and cure the symptoms. Introduction In a lab today‚ I am to identify an unknown bacterium that is
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which organism we had in our unknown mixed culture tube by running a series of experiments to detect which specific Gram negative organism we had. To detect your gram positive from the mixed culture was given as extra credit points also. A Gram stain was performed and isolation streak plate in order to isolate and observe the unknown organism. Before the series of test‚ a dichotomous key had to be written up in order to know what steps and tests to run to identify the unknown Gram negative organism. I
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Unknown 2 Scheme “ Fair game” ions Cations: Na+‚ K+‚ NH4+ ‚ Ca2+‚ Mg(OH2)62+ ‚ Al(OH2)63+ Anions: SO42-‚ HSO4-‚ NO3-‚ OH-‚ Cl-‚ CO32-‚ HCO3- Insoluble Compounds: Ca(OH)2‚ CaSO4•2H2O‚ CaCO3‚ MgCO3‚ Mg(OH)2 I. Describe Sample a. Quick description of sample. Ex: Phase‚ color‚ odor‚ crystalline‚ amorphous‚ gel-like‚ powdery‚ etc. II. Flame Test a. Part 1 i. Orange Flame: Na+ is present. K+ ‚ NH4+ ‚ Ca2+‚ Mg(OH2)62 ‚ Al(OH2)63+ may also be present. ii. Purple Flame: K+ is present (no Na+
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The unknown soda ash from experiment 3 was used‚ to determine the weight for each trial we used the equation of (M of HCl) x (18 ml x 105.99) / (10 x 2 x Na2CO3 ). Which was equal to (0.01472 M) x ((18 mL X 105.99)(10 x 2 X 2.428 % )= 0.6 g. To start we had to rinse the beakers‚ electrode and the stirring bar with diluted water. The sample we needed was weighted to the closest 0.1 mg which we got was 0.3 for the first trial. The sample was transferred to a 250 mL beaker and dissolved in 70 mL of
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as are their abilities to develop and adjust to altering environments. That is why it is so significant to be competent to identify microorganisms. This study was conducted by applying techniques and experiments cultured in microbiology lab for the identification of the unknown microorganism. Introduction: Identification of bacteria is significant because they are not only beneficial but potentially hazardous as well. The identification of bacteria can lead to breakthroughs in healthcare regarding
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Laboratory Exercises in Microbiology‚ Fifth Edition Front Matter Preface © The McGraw−Hill Companies‚ 2002 PREFACE Take interest‚ I implore you‚ in those sacred dwellings which one designates by the expressive term: laboratories. Demand that they be multiplied‚ that they be adorned. These are the temples of the future—temples of well-being and of happiness. There it is that humanity grows greater‚ stronger‚ better. Louis Pasteur (French chemist‚ founder of microbiology‚ 1822–1895) There
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