Gram Staining of Bacteria Since bacteria is really small microbiologist use stains to help them see bacteria more clearly under the microscope. Many of the stains they use color the bacteria cells directly and are called direct stains. Bacteria cells have a slightly negative charge while direct stains have a slightly positive charge that helps the stain bin to the bacteria. The strength of the binding from the stains depends on the make-up of the cell wall itself. Gram staining is the most helpful
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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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What is Chemistry? Chemistry is the study of matter and energy and the interactions between them. This is also the definition for physics‚ by the way. Chemistry and physics are specializations of physical science. Chemistry tends to focus on the properties of substances and the interactions between different types of matter‚ particularly reactions that involve electrons. Physics tends to focus more on the nuclear part of the atom‚ as well as the subatomic realm. Really‚ they are two sides of the
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The direct effects of the 1991 Gulf War In early August 1990‚ the Iraqi army invaded Kuwait. On 6 August1990‚ the United Nations Security Council imposed comprehensiveeconomic sanctions on Iraq in response to its invasion of Kuwait fourdays earlier and a military build-up began that eventually resulted in thesix week Gulf War in early 1991. The air campaign against Iraq waslaunched 16 January 1991‚ with a ground force invasion of Kuwait amonth later on the 24 February 1991. A ceasefire was called
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Audiology for number of reasons. Firstly‚ Audiology needs and involves significant direct and indirect patient contact. To name a few processes like otoscopy‚ PTA‚ tympanometry‚ handling hearing implants‚ ear molds and cerumen management exposes clinician to various objects and bodily fluids. (Bankaitis & Kemp 2000). Secondly‚ audiologists work in different types of clinical setups such as health care facilities‚ hospitals‚ physicians’ offices‚ clinics‚ schools‚ aged care facilities and provide
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There were many direct and indirect causes for World War Two to start‚ such as‚ Japan’s enormous expansion‚ Germany’s attack on Poland‚ and World War One’s repercussions on the involved countries. World War Two across the Pacific was caused by the Nationalists Party of Japan as they wanted to expand and conquer all the East-Asian and Oceanian countries‚ which caused the need for aggressive reactions from USA‚ and plunged both countries into the war‚ even though the US was strongly hoping not to get
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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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GRAM STAINING EXPERIMENT CONDUCTED ON 9/29/2013 Introduction: The Gram stain is a useful stain for identifying and classifying bacteria. The Gram stain is a differential stain that allows you to classify bacteria as either gram positive or gram negative. This gram stain technique was discovered by Hans Christina Gram in 1884. The gram stain procedure separates all bacteria into one of two groups - into gram-negative bacteria which do not stain purple and into gram-positive
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Direct Method and Grammar Translation Method are the two oldest methods for teaching foreign languages. Grammar Translation Method first appeared in the 18th century and was originally used for teaching old languages like Greek‚ Latin then failed in teaching communication skills. After that‚ Direct Method was built with the attempts to overcome the weakness of the Grammar Translation Method. As a result of that‚ there are many differences in the principles of these two methods which will be summarized
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