concentration of ___________ in their cell walls A. Lipids 7. Which of the following best describes current understanding of the fluid mosaic model of membrane structure? A. Phospholipid bilayer with peripheral and integral membrane proteins 8. Gram positive cells A. Have multiple layers of peptidoglycan that are porous; the crystal violet stain is trapped when the peptidoglycan is dehydrated 9. Which of the following is NOT true of the nucleoid of prokaryotes? A. It contains histone proteins
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February 2011 Vol 55 Chief Editor : Neeta Prasad Joint Director (Prod) : J.K. Chandra Editor : Manogyan R. Pal Cover Design : Manjula Das E-mail (Editorial) : editoryojana@hotmail.com : yojanace@gmail.com (Circulation) : pdjucir_ jcm@yahoo.co.in Website : www.yojana.gov.in Let noble thoughts come to us from every side Rig Veda CONTENTS Grassroots Level Democracy in India : An Assessment...........................................................................5 Mathew
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Bibliography: Cowan‚ M. K.‚ & Talaro‚ K. P. (2009). Microbiology: A Systems Approach. New York: McGraw Hill. Dimitriou‚ D. (2009‚ October 21). What Is Hepatitis? Retrieved November 09‚ 2010‚ from Hepatits A-Z: http://www.hepatitis.org.uk/s-crina/whatis-fs.htm Zein‚ N. N. (April 2000). Clinical Significance of Hepatitis C Virus Genotypes. Clinical Microbiology Reviews Vol. 13‚ No. 2 ‚ p. 223-235.
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Morales‚ Marinel M. Dr. Annie Cu Gallardo BSE-Biological Sciences III-3 Microbiology (Lecture) Microbiology Written Report REPORT NO. 1 Prokaryotes: Bacteria Most of us have been conditioned to think of bacteria as invisible‚ potentially harmful little creatures. Actually‚ relatively few species of bacteria cause disease in humans‚ animals‚ plants‚ or any other organisms. In fact‚ all organisms made up of eukaryotic cells probably evolved from bacteria-like organisms‚ which were some
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Evolution and Microbiology Name: Sara Reed Grade: MYP2 Subject: Biology Teacher: Lana Brkic Evolution The Big Bang The Creation The Big Bang: * 15 billion years ago‚ universe created in explosion * 5 billion years ago‚ Earth was created * Beginning Earth was hot‚ molten spinning ball‚ as it became cooler‚ it became more and more solid * No water on surface‚ and atmosphere wasn’t formed * Evidence: 1. Universe still
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While microbes are often viewed negatively due to their association with many human illnesses‚ microbes are also responsible for many beneficial processes such as industrial fermentation (e.g. the production of alcohol and dairy products)‚ antibiotic production and as vehicles for cloning in higher organisms such as plants. Scientists have also exploited their knowledge of microbes to produce biotechnologically important enzymes such as Taq polymerase‚ reporter genes for use in other genetic systems
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eosin Y and methylene blue found in the medium inhibit the growth of gram-positive bacteria but not the growth of gram-negatives. Lactose fermenters metabolize the lactose in the media and produce acid byproducts‚ causing a color change in the colony which is dark purple‚ almost black. Strong acid productions by organisms result in a metallic green sheen. Weaker fermentation of
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Melissa Babajko Microbiology 214BA Dr. May June 6‚ 2012 Staphylococcus aureus- Is a facultative anaerobic‚ Gram-positive‚ salt positive‚ cocci shaped bacterium. Staphylococcus aureus is found as normal part of the skin floral in the nasal passages and on the skin. An estimated twenty percent of people naturally have harmless Staphylococcus aureus on their skin and are long-term carries for Staphylococcus aureus. Staphylococcus aureus is the most common strand of Staphylococcus in humans to date
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and Congo Red 2. Base Stains (+ Charge)- Stains Cell- Methylene Blue‚ Crystal Violet‚ Safranin Differential Staining Techniques- Any Staining Technique using 2 or more stains is differential. It allows us to differentiate between parts. 1. Gram Stain- Two Stains‚ PLUS Reagents- Distinguishes Chemical Composition of Cell Wall PG only (+ Purple) or LPS and PG (- Pink) Primary Stain- Crystal Violet- Stains Cells Purple Binding Agent- Mordant (Iodine)- Fixes C.V. into Cell Wall of
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Microbiology! 1) Groups of Organisms (7): Eukaryote: TRUE nucleus 1. Fungi 4. Bacteria 2. Algae 5. Rickettsia 3. Protozoa ! Prokaryote: NO Nucleus Ribosome is the only Organelle 6. Mycoplasma (7. Viruses: No cell structure‚ ARE NOT CELLS) Microorganisms are: ! UBIQUITOUS! ! HARMLESS IN THEIR NORMAL HABITAT ! OPPORTUNISTIC (If they leave their normal habitat and get into us) 2) Roles of Microorganisms: (Bacteria and Fungi are “Semi-Good”) - digestion -
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