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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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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Differential Staining Cynthia Alonzo‚ M.S. Version 42-0242-00-01 Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information
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Report Experiment Tittle Gram stain Experiment Date 24October2014 Submission Date 31October2014 Students Name Tittle Gram stain. Objectives Aim of this experiment is to differentiate between the two major categories of bacteria ‚ gram positive and gram negative. Through this experiment‚ gram staining skills develop. More understanding the types and morphology of bacteria. Expected experimental result‚ Escherichia coli (E.coli ) is a negative gram bacteria which stain pink colour ‚ while
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7 CRUCIAL STEPS TO MINIMIZE DRAMA IN YOUR LIFE by Lori Deschene “When you are not honoring the present moment by allowing it to be‚ you are creating drama.” ~Eckhart Tolle Well into my 20s‚ all of my friendships with women looked a lot like junior high. One day‚ we’d be codependent and attached-at-the-hip‚ sending incessant play-by-play emails throughout the workday like one too many notes in class. The next day‚ we’d be dragging each other by the hair into a heap of combined emotional issues
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Fundamental microscopic units of fungus‚ tube-like projections with no constictions at the cell wall. The cell walls remain parallel with no indentation. 3. Describe the appropriate specimen collection procedures‚ staining methods‚ and culture techniques used for isolation of yeast. Collection procedures Specimen of choice include respiratory secretions‚ hair‚ skin‚ nails‚ tissue blood or bone marrow and CSF. Swabs are inadequate. CSF: Concentrate by centrifugation before inoculation. Make India
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Theories of Staining Techniques Staining bacteria with different dyes via staining techniques‚ allows in distinguishing the microorganism from its backgrounds. Also‚ helps in studying different internal structures such as vacuoles‚ cell walls and spores in details (Seeley and others 1991). Some staining techniques such as Gram staining‚ endospore stain and capsule stain are some of the theories of stains used in bacteriology today. Also‚ these staining procedures help in determining properties
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Differential Staining Purpose: The purpose of this experiment was to become familiar with subtypes of culture media and the uses for each‚ learn and employ the streak and pour dish techniques‚ and generate a pure culture of a specific organism. Set Up: For this experiment I needed: 1 Distilled water‚ 1 Paper towels‚ 1 10%-bleach or 70% alcohol solution‚ 1 Zip bag‚ 1 Pan to heat agar‚ 1 Isopropyl alcohol (rubbing alcohol)‚ 1 Cultures: S. epidermidis and L. acidophilus‚ 1 Gloves‚ Disposable
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between gram positive and gram negative bacteria cell walls. The gram negative bacteria cell wall is a thin peptidoglycan layer and an outer cell membrane with a lipopolysaccharide layer. The gram positive bacteria cell wall is a single thick peptidoglycan layer. This wall forms in a mesh like formation of three layers of alternating material. 2. From the procedure that you have carried out‚do you feel that the Gram positive stain is a simple procedure? No‚ because there are many procedure to do
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