Performance Objective: Upon completion of this assignment‚ the student will be able to identify the structure and function of bacteria to the satisfaction of the instructor. Specific Objectives: Define terms associated with the lesson. Identify types of bacteria. Explain the classifications of bacteria. Describe bacterial growth and reproduction. Explain the phases of bacteria. Preparation TEKS Correlations: 125.112 (b) …develop knowledge of the concepts and skills related to the [cosmetology]…
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surroundings and taken up through the cell membranes. This was first demonstrated in 1928 by Bacteriologist Frederick Griffith (Lederberg 2000).A plasmid is a small circular piece of DNA that contains important genetic information for the growth of bacteria. In a recent study‚ students tested the response of the arabinose operon promoter from E.coli to two different carbon sources. They directly observe the effects of these sugars on gene expression by monitoring the ability of the transformations to
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matched S. pyogenes perfectly. The blood agar plate proved the unknown to be β hemolytic‚ meaning the unknown bacteria was capable of complete hemolysis. This test separated the unknown into the β Streptococcus group‚ narrowing the possible bacteria to S. aureus or S. pyogenes. The Catalase test was used to determine if the unknown could break down hydrogen peroxide. The unknown bacteria was unable to break down the hydrogen peroxide‚ meaning it was catalase-negative. This result from this test
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media that contain components that are difficult to estimate within the media (Wessner et al.‚ 2013). 4. Would you expect this media to support the growth of all bacteria? It is not expected for all of bacteria to grow on TSA media but it would grow the vast majority of bacteria (Mahon et al.‚ 2000). This is because some of the bacteria might require blood for its to grows and since TSA is made of soybean‚ it won’t be able to
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plasmid to a bacterial cell. The bacteria E. Coli was separated into two groups: one where the pGLO plasmid was added to the bacteria‚ which contains the genes of fluorescence and resistance to antibiotics‚ and the other lacking the plasmid. The two groups then placed in agar plates simulating different environments: the bacteria lacking the pGLO plasmid was subjected to an environment solely contaiing nutrients and another containing nutrients and ampicillin; the bacteria containing pGLO was subjected
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method for analyzing bacteria. The apparatus includes a section for preparing an analyte sample from specimen and a detector to detect optical information from each particle in this analyte sample. It also has a controller to detect the non-fermentative bacteria on the basis of detected optical information. Furthermore the invention also gives a method for analyzing bacteria. Introduction 2. The present patent provides improved apparatus and method for analyzing bacteria in the given specimen
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classification system established by Robert Whittaker in 1969. Bacteria - small one celled monerans. * Bacteria like a warm‚ dark‚ and moist environment They are found almost everywhere: water‚ air‚ soil ‚ food‚ skin‚ inside the body and on most objects. 3 Shapes of Bacteria Bacteria are classified by shape into 3 groups: Spiral: spirilla Rod-shaped: bacilli‚ bacillus Round: cocci 7 Major Structures of a Bacteria Cell * Capsule * Cell wall * Ribosomes * Nucleoid
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2011/12/15 What a wonderful creature “Bacteria” is! Today‚ a lot of creatures live in where we live in. A lot of creatures live with ours. However our world face a lot of troubles. For example water depression‚ soil depression‚ lost of water‚ and so on. If we can look out saver for this ploblem‚ we be able to live in our world much better. Then‚ the number of “Bacteria” is much higher than any other creatures in our world. Because this creature can
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experiment that was done to demonstrate the effects of lysozyme on populations of Gram positive and Gram negative bacteria. Bacteria have a cell wall composed of peptidoglycan that gives the wall its strength. Gram negative bacteria have and extra component of lipopolysaccharide (LPS)‚ that is stabilized with magnesium ions‚ to their cell wall that further protects them. When Gram positive bacteria are treated with lysozyme‚ the lysozyme breaks down the peptidoglycan‚ allowing the cell to rupture if it is
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Lab Report #1: Observing Bacteria Microbiology Abstract: This lab exercise familiarized the student with the use of a microscope by observing and identifying various different slides under the microscope. The student practiced observing the given slides under the 10x‚ 40x‚ and 100x (oil immersion) objective lenses‚ which allowed for the identification of the different organism’s shapes and sizes. Purpose: The aim of this exercise is to equip the student with the knowledge
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