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20 Cards in this Set

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