Microbiology Final exam Study reference 1. Gram Stain * Verify if bacteria are present or not. * Controls – positive (purple) – S.aureus negative ( red/pink) – E.coli 2. Endospore Stain Positive controller – B. magneterium Green spore- Positive Pink (vegetative ) – Negative 3. Acid fast Positive control – M. smeagmatis Blue – negative Pink /red- positive 4. Motility Positive control - P.vulgaris A. Non motile is negative test B. Motile is a positive test 5. Carbohydrates
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Introduction Antibiotics are drugs that have been developed to destroy or show interference with the growth of microorganisms. The first antibiotic properties revealed were synthetic chemicals‚ particularly drugs containing arsenic‚ which were discovered by Ehrlich at the beginning of the 20th century. Sulphonamide inhibitors of folate metabolism were developed by Domagz in the 1930s which then followed with the development of the first true antibiotic‚ penicillin in the 1940s.(Wright 2011) Upon
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Tongue Sensitivity and the Sense of Taste There are five senses which people are able to possess; the sense of seeing‚ hearing‚ touching‚ smelling‚ and tasting. The sense of taste may be the weakest of the five senses‚ but it is very important‚ as it helps us to perceive flavors and distinguish what it is we taste. A series of taste buds and nerves in the tongue help by sending messages to the brain which helps us to recognize the taste of food and drinks. Taste buds are located on the tongue
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Abstract The primary focus of this lab was on microscopy and simple stains. Crystal violet and Carbol fuchsine‚ simple staining components‚ were used to stain the slide in order to see the different microbes in order to determine their cellular shape and identify unknown ones by comparing. Introduction Bacterial cells are usually colorless because cytoplasm‚ for the most part‚ is transparent. Since the bacteria are colorless‚ it is almost essential to add a stain to make the bacteria more visible
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What is Food Microbiology Food microbiology is the study of food micro-organisms; how we can identify and culture them‚ how they live‚ how some infect and cause disease and how we can make use of their activities. Microbes are single-cell organisms so tiny that millions can fit into the eye of a needle. They are the oldest form of life on earth. Microbe fossils date back more than 3.5 billion years to a time when the Earth was covered with oceans that regularly reached the boiling point‚ hundreds
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Sensitivity to social aspect of life Sensitivity is that urges the child to focus his attention on certain aspects of his environment to the exclusion of others. Such attention is not the result of mere curiosity; it is more like a burning passion. The sensitivity to social aspects of life begins at 2.5 to age 6. Children pay special attention to other children of their own age. Children at about age three are in solitary play or parallel play. The work of sensitive period enables recognizable
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BTN 211 TOTORIAL 1 Chapter 1 1. The History and Scope of Microbiology Which of the following distinguish the field of microbiology from other fields of biology? a. the size of the organism studied b. the techniques used to study organisms regardless of their size c. both the size of the organism studied and the techniques employed in the study of organisms d. neither the size of the organism studied nor the techniques employed in the study of organisms regardless of their size Who of
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Bibliography: Black‚ Jaquelyn G.‚ Microbiology: Principles and Explorations‚ 7th Edition‚ John Wiley & Sons‚ Inc‚ Hoboken‚ NJ‚ 2008 Davis‚ Charles P.; Marks‚ Jay W.‚ (2011) E. coli 0157:H7 (Escherichia coli 0157:H7 infection). Retrieved from: http://www.medicinenet.com/e_coli__0157h7/article.htm Morello‚ Josephine A.‚ Mizer‚ Helen Eckel‚ Granato‚ Paul A.‚ Laboratory Manual &Workbook in Microbiology: Applications to Patient Care‚ 9th Edition‚ McGraw-Hill Higher Education
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Determining pH Using a Red Cabbage Farnoosh Mazarei Food Microbiology April 22‚ 2011 Purpose: To test the pH level of many common household object by use of the juice from a red cabbage. Background: pH is the measure of the acidity or basicity of a solution. The pH scale ranges from 1 to 14 with 1 through 6 being acidic and 8 through 14 being basic; 7 is considered neutral. The use of the red cabbage‚ or red cabbage juice is because red cabbage can be used as an acid/base indicator
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nutrients to simpler nutrients‚ microbes are also used in the production of medicines‚ enzymes and food‚ most recent and scientific use of microbes is to breakdown of sewage and other toxic into safe matter this process is called “Bioremediation”. Microbiology online: introducing microbes.[online] ].[Accessed9April2013].Availablefrom:worldwideweb: In pathological labs or in Hospitals we use a special technique called as aseptic to minimize the disease or infection outbreak. Aseptic technique means
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