ANALYSIS OF BACTERIA GROWTH Abstract Bacteria can be found everywhere on the earth. Bacteria are single-celled organisms that lack a nucleus‚ mitochondria‚ and chloroplasts and are surrounded by a cell wall containing a peptidoglycan layer. They are defined by their small size and wide range of shapes. In this experiment we separated organisms in a mixed culture to study the colony morphology and physical characteristics and determine which organism was present in higher numbers‚ as determined
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Bacteria and Archaea Bacteria and Archaea All single-celled organisms in the Bacteria and Archaea domains are referred to as prokaryotes. Prokaryotes are organisms whose genetic material is not contained within a nuclear envelop. These cells are profoundly important to the environment‚ medicine‚ and industry. (Postlethwait & Hopson‚ 2010‚ p. 196) Bacteria and Archaea are similar in shape‚ size‚ and appearance. They are both found occurring as rods (bacilli)‚ spheres (cocci)
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Isolation of Bacteria in our Physical Environment Introduction: The purpose of the lab is to apply what has been learned so far in Microbiology‚ and use it to collect and examine microbial species from the physical environment. The physical environment around the lab will be utilized to find out the variety of different microbial species growing in and around the lab. This investigation will help in preparation for the individual projects that will be done at the end of the semester. Materials
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importance of microbiology includes: used in biomedical research‚ creation of medicines‚ environmental applications and new research tools. Disease causing organisms include: protists‚ bacteria‚ viruses and other microorganisms. Bacteria are important for fixing N2 in a usable form for plants. Bacteria and some fungi are important in decomposition and recycling of raw materials. Industry applications of microbiology: waste management‚ food industry‚ mining‚ medicine‚ research and
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BACTERIA Identification (Classification I. Domain: Bacteria 1. Gram Negative Proteobacteria (Phylum XII) Non-Proteobacteria 2. Gram Positive LOW G+C (Phylum XIII) HIGH G+C (Phylum XIV) II. Domain: Archaea III. Domain: Eukarya (Gram Negative 1. Bordetella pertussis Pertussis/Whooping Cough 2. Eikenella corrodens Human Bite Injury
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in the future (Weirich‚ 2005). This discovery gave way to understanding these species abilities and the positive effects it has on humans and other existing mammals. Acidophillic extremophiles exist as two types of broad categories: Archaea and Bacteria. Lactobacillus
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Livja Koka Anaerobic Bacteria In this experiment the purpose is to seek understanding between an organism and its use of oxygen. Oxygen is a very important part of the organisms’ survival. Oxygen has a tendency to form very reactive by-products inside a cell. These by-products create havoc by reacting with protein and DNA‚ thus inactivating them. Cells that are able to live in the presence of oxygen have evolved enzymes to cope with H2O2 and O2- and thus are not inhibited by O2. Also many anaerobes
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repositories of bacteria/microbes ⁃ borne sterile ⁃ microbe on all surface area of the body ⁃ sterile areas: eyes‚ brain‚ spinal cord‚ bones‚ kidney‚ internal organs ⁃ mutualistic relationship: we provide site and nutrient and microbes provide vitamin‚ aid in food digestion ⁃ division of microbial world ⁃ living component: organism ⁃ prokaryotic ⁃ nucleoid area ⁃ one circular chromosome ⁃ non-membranous organelle ⁃ cell wall: peptidoglycan ⁃ binary fission ⁃ bacteria simple‚ dynamic
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Bacteria: a benefit or a hazard? Bacteria is something we are all reminded of on a daily basis by merely switching on our televisions where we are bombarded with advertisements for both ‘good’ and ‘bad’ bacteria. Contrary to the view of the past when only so-called ‘bad’ bacteria was ever talked about‚ so what has changed? This essay will address the facts about bacteria including methods used in identifying bacteria as well as looking at specific examples of how they can be both helpful and harmful
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Yannelly De Leon General Intent vs. Specific Intent “Intent: A determination to perform a particular act or to act in a particular manner for a specific reason; an aim or design; a resolution to use a certain means to reach an end.” [1] The difference between General Intent vs. Specific Intent is when the defendant commits a crime with a specific end in mind and general intent is when a defendant commits a crime with no specific result in mind. General intent crime includes but is not limited
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