Isolation of Pure Cultures by Dilution Techniques and Gram Staining Method Results Table 1. Gram stain reaction and cellular features of the culture. Gram staining methods were applied on the given mixture of Bacillus cereus‚ Escherichia coli and Staphylococcus aureus and then examined microscopically. Results were recorded in Table 1. Gram Reactions Cell shapes Cell Ends and Arrangement Size Distinctive Characters Predicted Bacteria Bacteria 1 Gram positive (purple) Cocci Rounded‚ clusters‚ singly
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STAINING FOR BACTERIAL ISOLATION Submitted by: Cherry Luz L. Rezaga Submitted to: Dr. Tomas J. Fernandez Jr. CRITERIA OF REPORTING 1. Thorough research (20%) 1.1. Number of literature cited more than five (5) 1.2. Completeness of the topic (5) 1.3. Principle discussed (5) 1.4. Literature should be cited in the text (5) 2. Confidence (20%) 2.1. Eye to eye contact (5) 2.2. No reading (5) 2.3. Proper handling of visual aids (5) 2.4. Magnified voice (5) 3. Appropriateness of visual
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MBK – Lab Report Differential Staining Questions: A. What is a differential stain? How is it different from a simple stain? 1. A differential stain is a stain that differentiates between gram-positive and gram-negative bacteria. Bacteria that stain purple are considered gram-positive and those that stain pink are considered gram-negative. 2. A simple stain is a stain that reacts with all microbes in and identical fashion. They are used to increase contrast. 3. They
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Company Proposal to build a website for S-N-F Electronics to increase sales and saving money with-in the company. S-N-F Electronics TITLE Team E: Keith Henningsen Heather Mapes Tyler Nooney 14 April 2013 Memo of Transmittal for Research Report Transmittal Correspondence TITLE TO: Management of S-N-F Electronics FROM: Team E (Keith Henningsen‚ Heather Mapes‚ and Tyler Nooney.) DATE: April 14th 2013 SUBJECT: Transmittal for research on establishing a website This is
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| Formal report | Professional Writing | | Maria | 10/20/2012 | | TABLE OF CONTENTS Introduction 1 Purpose‚ Scope and limitations 1 Application for all job specialties 1 Interpretation of results 2 Historical Prespective 2 Sources and methods 2 Chron-small business 3 American institute of cpa’s 3 The New York times 3 Accountant key 4 Washington consultants 4 Accountants next door 4 Wanted Analytics 5 Report organization 5 Formal Report Accounting
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Determining pH Using a Red Cabbage Farnoosh Mazarei Food Microbiology April 22‚ 2011 Purpose: To test the pH level of many common household object by use of the juice from a red cabbage. Background: pH is the measure of the acidity or basicity of a solution. The pH scale ranges from 1 to 14 with 1 through 6 being acidic and 8 through 14 being basic; 7 is considered neutral. The use of the red cabbage‚ or red cabbage juice is because red cabbage can be used as an acid/base indicator
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Gram Characteristics of Bacteria Introduction Bacteria are interesting little critters in that they are not easily visualized without some sort of stain. In classical methodology‚ two different kinds of stains have been used to identify bacteria: acidic and basic dyes. Acidic dyes are so called because they consist of a salt that has a cation that transfers no color‚ but the anion portion is colored and does give off color. Basic dyes consist of an anion that does not give off any color and a cation
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Microbiology Laboratory Report Identification of Unknown Bacteria 03/10/05- 04/01/05 Authors: Richard Hendricks‚ Jessica Prebish; NMU Abstract: Broth culture 16 was randomly selected by our group and subjected to qualitative tests for taxonomic identification. The culture did appear homogenous throughout the testing period and is currently retained by Northern Michigan University’s department of Microbiology. We suggest that culture 16 is an example of Escherichia coli. Background: Techniques
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Upper Saddle River‚ NJ: Prentice Hall 2007. Weisstein‚ E. W. (2014). Roundoff Error. Retrieved July 22‚ 2014 from the world wide web: http://mathworld.wolfram.com/RoundoffError.html Experiment 17. Thermodynamics of Borax Solubility Chemistry 212 Lab: Simultaneous Determination of Several Thermodynamic Quantities: K‚ ∆G°‚ ∆H°‚ and ∆S°
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Purpose Use a standardized potassium permanganate solution to analyze an unknown iron solution by using redox titration. Theory Reduction-oxidation titration is an analytical method based on electrons transferring between an oxidizing agent and a reducing agent in solutions. Chemical analysis can be built on Redox titration if four criteria are met: a) The reaction is completed in a thermodynamically spontaneous condition. b) The reaction is fast enough to give an operational result instantly
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