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Chapter 1 Micro

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Answer
Alga   a photosynthetic eukaryote, may be unicellular, filamentous, or multicellular but lack the tissues found in plants.  
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Antibiotic   an antimicrobial agent, usually produced naturally by a bacterium or fungus  
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Archaea   prokaryotic cells lacking peptidoglycan, one of the three domains  
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Aseptic technique   Laboratory techniques used to minimize contamination  
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Bacteria   kingdom of prokaryotic organisms, characterized by peptidoglycan cell walls, bacterium when referring to singular organism  
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Bacteriology   The scientific study of prokaryotes, including bacteria and Archaea  
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Biogenesis   The theory that living cells arise only from preexisting cells.  
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Bioremediation   the use of microbes to remove an environmental pollutant.  
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Biotechnology   the industrial application of microbes, cells, or cell components to make a useful product  
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Cell Theory   all living organisms are composed of cells and arise from preexisting cells,  
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Chemotherapy   treatment with chemical substances  
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Ecology   the study of the interrelationship between organism and with their environment  
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Eukaryote   a cell having DNA inside a distinct membrane enclosed nucleus  
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Fermentation   the enzymatic degradation of carbohydrates in which the final electron acceptor is an organic molecule, ATP is synthesized by substrate level phosphorylation, and oxygen is not required  
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Fungus   an organism that belongs to the Kingdom Fungi, a eukaryotic absorptive chemoheterotroph  
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Gene therapy   treating a disease by replacing abnormal genes  
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Genetic engineering   manufacturing and manipulating genetic material in vitro, also called recombinant DNA technology  
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Genomics   the study of genes and their function  
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Genus   the first name of the scientific name (binomial), the taxon between family and species  
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Germ theory of disease   the principle that microbes cause disease  
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Helminth   a parasitic roundworm or flatworm  
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Immunity   the body’s defenses against particular pathogenic microbes, also called specific resistance  
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Immunology   the study of a host’s specific defenses to a pathogen  
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Infectious diseases   a disease in which pathogens invade a susceptible host and carry out at least part of their life cycle  
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Koch’s postulates   criteria used to determine the causative agent of infectious diseases  
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Microorganism   a living organism too small to be seen with the naked eye, includes bacteria, fungi, protozoa, and microscopic algae, also includes viruses  
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Molecular biology   the science dealing with DNA and protein synthesis of living organisms  
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Mycology   the scientific study of fungi  
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Normal microbiota   the microbes that colonize a host without causing disease also called normal flora  
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Parasitology   the scientific study of parasites (protozoa and parasitic worms)  
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Pasteurization   the process of mild heating to kill particular spoilage microbes or pathogens  
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Pathogen   a disease causing organism  
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Prokaryote   a cell whose genetic material is not enclosed in a nuclear membrane  
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Protozoan   unicellular eukaryotic organisms, usually chemoheterotroph  
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Recombinant DNA   a DNA molecule produced by recombination  
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Species   the most specific level in the taxonomic hierarchy  
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Species epithet   the second or species name in a scientific binomial  
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Spontaneous generation   the idea that life could arise spontaneously from nonliving matter  
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Synthetic drugs   a chemotherapeutic agent that is prepared from chemicals in a laboratory  
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Virology   the scientific study of viruses  
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Virus   a submicroscopic, parasitic, filterable agent consisting of a nucleic acid surrounding by a protein coat.  
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