What Is Microbiology? Microbiology is the study (logy) of very small (micro) living (bio) things. Microbiology is the study of microorganisms. These "bugs" include: bacteria (that’s the Latin plural for bacterium); viruses (that’s the non-Latin plural for virus - virii sounds weird‚ so I don’t say it); and‚ fungi (that’s the Latin plural for fungus - which by now you have guessed‚ or already knew‚ and may not be all that interested to know‚ anyway). Microbiology is actually made up of several
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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 v. Penicillum mycelium condidiophores vi. Cladophora vii. Volvox viii. Paramecium caudatum ix. Escherichia coli x. Bacillus subtilis
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which cause disease or spoilage of beverages and food‚ but it is now recognized that many microbes have essential roles in our ecosystem or can be used to accomplish beneficial tasks. Human history is full of examples of major devastations caused by bacteria and viruses. Some of these historically important diseases still occur‚ such tuberculosis and yellow fever. Microorganisms are evolving to cause new infectious disease problems such as Lyme disease and AIDS‚ which capture public attention. Control
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Transformation refers to the process in which the cell integrates foreign DNA to its genetic code‚ meaning it takes the genes and incorporates them into the cell’s current DNA. Cells that can do this naturally‚ most commonly bacteria and archea‚ are known as competent. The bacteria E. coli do not have high transformation competence under normal conditions‚ but can be manipulated to produce better results using a heat-shock system (Donahue and Bloom‚ 1998). Originally it was thought E. coli couldn’t be
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disease causing microorganism and the poisonous toxins they may produce. Biological hazard are far the most dangerous foodborne hazard in the food service and food retail businesses. These includes harmful microorganism seen only in the microscope 1. BACTERIA 2.VIRUSES 3. PARASITES 4. MOLDS 5. YEAST Other living organism are: • Insects: RODENTS FARM ANIMAL DOMESTIC PETS BIRDS FISH PLANTS TRANSMIT DISEASE TO HUMAN BEING • Even healthy people are sources of pathogenic microorganism
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another class of organisms called eukaryotes. Prokaryotes and Eukaryotes are similar in their chemical composition and chemical reactions. Prokaryotes have peptidoglycan in the cell wall. Prokaryotes are Bacteria that are unicellular. Most Bacteria multiply by binary fission. There are three kinds of bacteria shapes: coccus‚ bacillus and spiral.
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food poisoning from the salmonella in the uncooked burgers. The reason they got food poisoning is because the inside of the burgers weren’t cooked enough or properly so the bacteria didn’t get killed inside the burgers. The burgers would have you be cooked at above 170 degrees Celsius‚ and as the heat didn’t kill the bacteria‚ it entered the body. As Chloe’s dad only cooked the burgers on a high hear for a very short amount of time‚ he burnt the outside without heating the inside of the beef burgers
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Bacteria are unicellular and ultra-microscopic organisms‚ yet they play an important role in nature. They are of tremendous importance to man. They play an important role in agriculture and medicine and are the basis of many industries. Some are beneficial to man directly or indirectly‚ others are very harmful as they cause various plant and animal diseases. Bacteria are considered as our friends and foes due to their beneficial and harmful activities. Their economic importance can be studied under
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inoculated in a Tryptic Soy broth medium was randomly selected from a group of other unknowns. In order to identify this unknown the seven different types of biochemical tests will be conducted on this unknown bacterium to identify it out of 6 possible bacteria; Escherichia coli(E. coli)‚ Enterobacter aerogenes (E.aerogenes)‚ Klebsiella pneumoniae (K.pneumoniae)‚ Proteus mirabilis(P.miranilis)‚ Pseudomonas aeruginosa(P.aeruginosa)‚ and Salmonella typhimurium (S.typhimurium). The biochemical tests utilized
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Background Information Bacteria are prokaryotes under the kingdom Monera. This means they have no true nucleus. Most bacteria also lack internal organelles. Most bacteria is beneficiary while a fraction are pathogens. Pathogens cause human and animal disease. However‚ they can also produce antibiotics. Beneficial bacteria can do various tasks from producing yogurt to decomposing dead organic matter. Most bacteria are one in three shapes. The first one is coccus which is spherical.
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