nucleus and membrane-bound organelles (making them far more complex). 2.) List and describe the two domains of prokaryotic organisms. a. Bacteria- Most are a specific shape (cylindrical‚ spiral‚ or spherical). Cell wall contains peptidoglycan. Multiply by binary fission. b. Archaea- Similar in shape‚ size‚ and appearance to Bacteria. Multiply by binary fission. Cell wall does not contain peptidoglycan. 3.) List and describe the four groups of eukaryotic microorganisms
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digestive problem‚ human and pig respiuratory problem - Problem when it mixed with the human virus CH. 19 -know the general sizes- biggest sizes eu. Prions‚ etc. -know mad cow Where do we find microbes in our family tree of life and protest Bacteria and archae are prokaryotic and eukarya is euchaarotic How are protisit defined and slip into main groups. How do they get there food? Parasites that we find specifically in the animal like porotist The kingdoms are sepearted by how they eat their
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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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Sofowora (1982) reported that Africa has 300‚000 medicinal plants and Chang (1993) reported that the world mushroom biodiversity counts 1.5 million species. Summary Abstract 1_ Prior knowledge A) Bacteria 1) Salmonella 2) Shigella B) Salmonella Shigella Agar C) Moringa Oleifera a very useful tree D) The solar disinfection with PET bottle 2_ Study of different methods to purify water A) Water filtration 1) Study of filtration system with
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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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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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pasteurization. Pasteurization kills most pathogen‚ increases the product’s shelf life and preserve a natural taste of milk. After pasteurization‚ nonpathogenic bacteria such as Bacillus which is gram positive‚ rod shaped bacteria still present in milks and will metabolize protein into ammonia product and raise the milk’s pH. Other bacteria such as lactobacillus and Streptococcus ferment lactose to lactic acid and acetic acid. Those acids sour the milk and convert the casein in milk to curd. The sour
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Holtz MICR 202L November 09‚ 2016 Exercise 15: Antimicrobials Purpose The purpose of exercise 15 was to determine the effects of different antimicrobials on both Gram-positive bacteria and Gram-negative bacteria. Procedure Overall‚ exercise 15 was broken down into two days of procedures. For the first part of the experiment‚ we divided three petri plates into three equally sized units on the plate and marked them with wax pencils in accordance
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Antibiotics research 1. Define the term antibiotics Antibiotics are a drug used to treat infections caused by bacteria and other microorganisms. Originally‚ an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another. Synthetic antibiotics‚ usually chemically related to natural antibiotics‚ have since been produced that accomplish comparable tasks 2. a) who was the first scientist to discover antibiotics Alexander Fleming (1928) b) Briefly
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classification system established by Robert Whittaker in 1969. Bacteria - small one celled monerans. * Bacteria like a warm‚ dark‚ and moist environment They are found almost everywhere: water‚ air‚ soil ‚ food‚ skin‚ inside the body and on most objects. 3 Shapes of Bacteria Bacteria are classified by shape into 3 groups: Spiral: spirilla Rod-shaped: bacilli‚ bacillus Round: cocci 7 Major Structures of a Bacteria Cell * Capsule * Cell wall * Ribosomes * Nucleoid
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