Judson Cotterman III 4/6/2012 Section 185-35L Assignment #3 Gram-positive Pathogenic Cocci Discussion My original hypothesis for the individually collected throat culture on Blood Agar Plates‚ that it would show a mixture of alpha‚ beta‚ and gamma hemolysis‚ was based on the results of the class control samples of S. pneumonia‚ S. aureas and S. epidermis. In these controls S. pneumonia shows alpha and beta hemolysis while S. aureas and S. epidermis showed beta and gamma hemolysis respectively.
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1. What are the advantages and disadvantages of the different types of light and electron microscopes discussed in Chapter 3 that are used to study microorganisms? Focus your response in terms of the following parameters The disadvantage of using a light microscope is its inability to magnify a specimen as great as an electron microscope. An electron microscope can magnify up to 500‚000 times‚ whereas‚ a light microscope can only magnify an object up to 2000 times. The resolving power or resolving
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agency NASA selected Gram Power’s technology among the top-10 cleantech innovations from around the world. Two fresh graduates from the University of California Yashraj Khaitan and Jacob Dickinson founded GRAM POWER which enables villagers to generate and store renewable energy from biomass‚ solar or wind on-site. While on a university project they came to know about the scarcity of electricity in villages‚ this goaded them to devise energy solutions for villagers. This year‚ Gram Power set up India’s
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Microscopy and Staining Abstract The primary focus of this lab was on microscopy and simple stains. Microscopy that was used were magnification‚ slide preparation‚ and staining. Methylene blue‚ a simple staining component‚ was used to stain the slide in order to see the different microbes and determine their cellular shape. Introduction The purpose of this lab was to become familiar with the light microscope and how to accurately use it to view specimens. The staining method was used
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IDENTIFYING GRAM POSITIVE COCCI As mentioned in Exercise 8‚ “Identifying Gram Negative Rods”‚ identifying bacteria is a common activity in the microbiology lab. Like the game Clue™‚ each time you gather a piece of information to solve the mystery‚ you gather some information that supports some identities and eliminates others from contention. In the lab‚ the process continues as you gather more information until only one microbe remains and all others have been eliminated as possibilities. Thus
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used to obtain a pure culture of a Gram positive coccus genus of bacteria. Several biochemical tests will be performed to aid in the identification of this unknown bacterium. Biochemical tests are a series of tests used to identify certain bacterium The various tests that are used in this lab are the catalase test‚ oxidase test‚ blood hemolytic test‚ MSA‚ blood agar‚ and PEA/ab sens test. A known Gram positive coccus bacteria will be used alongside an isolated Gram positive unknown bacteria for comparison
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Lab 5 –Cell Structure and Staining using Microscopy Instructions: Please download this MSWord document to your computer and answer the questions as asked. Then save the document and upload it to Bb using the Assignment feature provided. This assignment is worth a total of 100 points – there are 20 questions worth 5 points each. NAME Buket Rembert In Lab 3 you were introduced to microscopy. In this lab you will be adding to that experience by reviewing the differences in cell structure for Prokaryotes
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belts‚ caps‚ etc‚ are the most preferred clothing for today’s youth. This study discusses compositions and methods of reducing or preventing back staining of indigo dyes on the weft yarn and pocket of denim garments. The dye‚ as it is removed from the denim material‚ post treatment with cellulase or by a conventional washing process may cause ‘back staining’ or ‘redeposition’ on the denim material; e.g : re-coloration of blue threads and blue coloration of white threads‚ resulting in less contrast between
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animals being utilized in animal by-products and thereby to reveal when these products contained ingredients originating from animals that had died of anthrax. The thermostable antigens involved are common to other Bacillus species so the test depends on the fact that the only Bacillus likely to have proliferated within and throughout an animal depositing extensive precipitating antigens in the tissues is B. anthracis. Procedure: 1. Chop or slice the specimen into fine pieces or strips. 2
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Chemistry 1 February 3‚ 2014 Harvesting CaCo2 in a precipitate reaction results in less grams desired amount (2 grams) Abstract: The objective of this experiment was to synthesize 2.00 grams of CaCo2 for a hypothetical manufacturing company using the two least detrimental (in regards to health and the environment) and least expensive chemicals possible through a precipitate reaction. A precipitate reaction happens when cations and anions of certain aqueous solutions react and combine forming
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