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Why Study Microbiology |
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... 1 Scope and History of Microbiology Why Study Microbiology? ... Microbiology defined - The study of microbiology is the study of microorganisms, which are organisms that are invisible to the naked eye. ... We will also study some other smaller groups such as prions and viroids. ... Bacteria (singular - bacterium) (study of bacteria bacteriology) 1. ... Fungi (singular - fungus) (study of fungi mycology) 1. ... Why are they ecologically important? ... Viruses - (study of viruses virology) 1. ... Important Note: We will consider a sixth group, the helminths (worms), in our study of microbiology. ... A Brief History of Microbiology C. ... CHAPTER 2 INTRODUCTORY CHEMISTRY & BIOCHEMISTRY INTRODUCTORY CHEMISTRY Why is it necessary to study chemistry? ... Some of the elements important to our study of living systems are carbon, oxygen, hydrogen, nitrogen, sodium, chlorine, phosphorus, and potassium. ... We dont have the digestive enzymes to break the bonds; however, some microorganisms do have these enzymes; this is why microbes are so important in the gut of a termite, cow, etc. ... Peptide bonds - linkage formed between one amino acid & another amino acid; the name of these bonds is why chains of amino acids are called polypeptides. ... Why are enzymes needed? ... This is why we say that the energy "stored" in the bonds of ATP is used to drive other metabolic reactions. ... This is why this process is called aerobic respiration! ... The loop is used to pick up a portion of an isolated colony and transfer it to another medium for study. ... lyophilization [freeze drying] - removes water directly by converting water from a solid state (ice) to a gaseous state; materials are frozen & placed in a chamber to which a partial vacuum is applied; avoids the chemical changes caused by heat drying; effect - stops microbial growth by stopping most chemical reactions (just like regular freezing) frequently used in the microbiology lab to preserve perishable materials such as proteins, blood products, & reference cultures of microbes; used in food industry to make instant coffee, etc. ... major cause of plant diseases the study of fungi is mycology B. ... This is why you can get the flu over and over again! ... SOME IMPORTANT DEFINITIONS: Epidemiology - study of when & where diseases occur & how they are transmitted in human populations (focuses on groups of people rather than individuals); the modern definition does not limit this study to that of epidemic diseases; knowing the source of the disease can help prevent transmission even while the causative microorganism (etiologic agent) is still unknown. ... Why arent they part of the bodys normal flora? ... Changing Flora - Examples: What is one good reason why mothers should breastfeed? ... (When the body rejects a tissue graft or an organ transplant, cytotoxic T cells are one of the reasons why. ... Why? |
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Title: Why Study Microbiology
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