Chapter 1 - The microbial world and you

Chapter 1 - The microbial world and you - Chapter 1: The...

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Chapter 1: The Microbial World and You What is microbiology? Microbiology is a branch of biology that deals with scientific study of microorganisms such as: •bacteria ------ bacteriology •fungi ------ mycology •viruses ------ virology •parasites ------ parasitology (protozoa, helminths, and some insects) Prokaryotic cells : Bacteria and Cyanobacteria (blue- green algae) Eukaryotic cells : Fungi, protozoa, green algae, animals, and plants) Can we live without microbes? Role of Microbes in Every Day Life: I. Beneficial Roles: 1. Decomposition of dead animals and plants. 2. Bioremediation: Digestion of oil and toxic chemicals 3. Sewage treatment 1
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4. Genetically modified bacteria are used to synthesize vitamins and hormones. 5. Dairy and bakery products such as cheese, yogurt, and alcoholic beverages require the use of microorganisms. II. Detrimental Roles 1. Animal and Plant Disease (pathogenic) 2. Spoilage of food A Brief History of Microbiology Robert Hooke (English): Made the first compound microscope and observed a thin slice of cork.
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Chapter 1 - The microbial world and you - Chapter 1: The...

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