Vegemite (/ˈvɛdʒɨmaɪt/ vej-ə-myt[2][3]) is a dark brown Australian food paste made from leftover brewers’ yeast extract with various vegetable and spice additives developed by Cyril P. Callister in Melbourne‚ Victoria in 1922.[4] A popular spread for sandwiches‚ toast‚ crumpets and cracker biscuits as well as a filling for pastries‚ Vegemite is similar to British‚ New Zealand and South African Marmite‚ Australian Promite‚ Swiss Cenovis and German Hefeextrakt. With the brand now owned by American
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inserted in to a cloning vector and the resulting DNA (Recombinant DNA) can be amplified in suitable host. 2. A vector can be a plasmid‚ cosmid‚bacterophage‚retroviruses‚ animal and plant viruses or artificial chromosomes like YAC‚ BAC‚or HAC.(Yeast artificial chromosome‚ bacterial........) 3. The rec. DNA produced can be amplified or cloned in a suitable vector like bacteria for plamids‚ cosmids or bacterophages‚ plant and animal cells for viruses . Involves five steps: 1. Enzyme restriction
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Cell Biology 1 – Prokaryotes & Viruses * Eukaryotes have a membrane whereas a prokaryote has no nuclear membranes. Both have a double stranded DNA. * The two main types of prokaryotes are bacteria and Archaea and eukarya are types of eukaryotes. * Archaea are more closely related to eukaryotes. * Prokaryotes have a membrane and nucleoid and most have a cell wall. * There are 3 main types of shapes of prokaryotes: * Bacillus – rod shapes * Spirilum – spiral shaped
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necrotizing enterocolitis (NEC) in babies born prematurely. Lactobacillus is also used for infection with Helicobacter pylori‚ the type of bacteria that causes ulcers‚ and also for other types of infections including urinary tract infections (UTIs)‚ vaginal yeast infections‚ to prevent the common cold in adults‚ and to prevent respiratory infections in children attending daycare centers. It is also being tested to prevent serious infections in people on ventilators.Lactobacillus is used for skin disorders such
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flake off about every 4 weeks. New skin cells grow to replace the outer layers of the skin as they shed. But in psoriasis‚ new skin cells move rapidly to the surface of the skin in days rather than weeks. They build up and form thick patches called plaques. The patches range in size from small to large. They most often appear on the knees‚ elbows‚ scalp‚ hands‚ feet‚ or lower back. Psoriasis is most common in adults. But children and teens can get it too. Psoriasis typically looks like red or pink areas
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Shakira Jarvis Microbiology Lab Assignment Laboratory Assignment Outline 1. Check in & The Microscope a. Review of proper lab etiquette. i. Review laboratory syllabus and b. Review of the Parts of a Microscope ii. Review of lab exercises about different types of Microscopes 2. Survey of Microorganisms c. Viewing‚ drawing‚ and describing several types of fungi‚ algae‚ and Bacteria iii. Chlamydomonas iv. Spirogyra
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CHAPTER ONE INTRODUCTION The industrial attachment is an important part of the course structure of the university. This is the time students appreciate the theoretical work done in the lecture halls when seen practically. This attachment introduces the student to the outside world in terms of working experience and also prepares them for the future. The department of applied biology therefore introduced the industrial attachment program in its learning curriculum to give students a chance to combine
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promoted the appropriate use of fluorides‚ as illustrated in the statement adopted in May 2007 in Geneva by the Sixtieth World Health Assembly. Fluoride controls caries effectively because it acts in several different ways. When present in dental plaque and saliva‚ it hastens the remineralisation of early enamel
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Viruses B. Prokaryotes - Bacteria 1. Eubacteria 2. Archaea bacteria C. Eukaryotes 1. Algae 2. Protozoans 3. Fungi – Yeasts & Molds 4. Helminthes III. Why study Microbiology/Applications of Microbiology A. Food Production 1. Lactobacillus‚ Streptococcus‚ 2. Saccharomyces
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1. Plasmids Plasmids are closed circular‚ double-stranded‚ extrachromosomal DNA molecules which occur naturally in bacteria‚ yeast‚ and some higher eukaryotic cells‚ and exist in a parasitic or symbiotic relationship with their host cell (Lodish et al.‚ 2000) The main application of plasmids is as cloning vectors in gene cloning. In gene cloning‚ a fragment of DNA‚ containing the gene to be cloned is inserted into a circular molecule called the “vector” to produce recombinant DNA molecule. Plasmids
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