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20 Cards in this Set
- Front
- Back
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Designate the correct format for scientific nomenclature:
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Escherichia coli
E. coli E. coli 0157:H7 |
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Define- pathogenic
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disease-producing agent or organism
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Define- germ
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a rapidly growing cell; has become synonym for microbe
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What is microbiology?
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The study of organisms too small to be seen with the naked eye.
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What is taxonomy?
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The science for organizing, naming, and classifying more than one and a hlaf million living things.
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Living things are grouped into categories based on relationships or commonalities; these include...
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evolutionary relationships, nutritional patterns, cellular organization, molecular properties, and morphology (cell shape)
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Why are the criteria for classifying viruses and prions different?
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Because they are acellular and are cosidered by many to be non-iving.
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Which classifying category is the broadest?
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The Domain category
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Which subcategory is the most defined?
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The Species subcategory
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List the classifying system from broadest to most defined.
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Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
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Name the 3 basic morphological forms of the Archaea domain:
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rods, cones, curved
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Archaea lack the chemical _____, a substance making up bacterial cell walls.
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peptidoglycan
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Archaea can be found...
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in extreme environments, such as the Great Salt Lake, hot springs, and deep in the ocean.
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What distinguishes the domain Archaea from the domain Bacteria?
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The presence of peptidoglycan in the cell walls, as well as environmental preferences
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Which domain includes halophiles, thermophiles, and methanogens?
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Domain Archaea
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What is the cell morphology of the Domain Bacteria?
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bacillus (rod-like), spiral (corkscrew or curved), or coccus (spherical), pleomorphic (variable)
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List the many possibilities of arrangement found in the Domain Bacteria.
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single cells, pairs, chains, clusters
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Define- culture
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specimen grown in a laboratory media
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Define- clone
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population of cells derived from a single cell
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Define- strain
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genetically different cells within a clone
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