What is taxonomy in biology?
The orderly classification and naming of organisms by relationships.
What are the three components of taxonomy?
Classification, nomenclature, and identification.
What is a prokaryotic cell?
A cell lacking a true membrane-bound nucleus including bacteria and archaea.
What distinguishes prokaryotic from eukaryotic cells in DNA and organelles?
Prokaryotes have one circular DNA and no membrane-bound organelles; eukaryotes have multiple linear chromosomes and membrane-bound organelles.
Taxonomy components
Classification, nomenclature, identification.
Taxonomic hierarchy
Domain, kingdom, phylum, class, order, family, genus, species.
Scientific name format
Genus capitalized, species lowercase, italicized.
Prokaryotic cell features
No membrane nucleus, single circular DNA.
Eukaryotic cell features
True nucleus, membrane-bound organelles.
Normal microbiota
Microorganisms normally present on/in humans.
Bacterial nucleoid
Region with bacterial chromosome, no membrane.
Answer 11 questions on Microbiology Foundations and Diagnosis.
1. Which combination correctly contrasts prokaryotic and eukaryotic cells?
2. What does taxonomy organize when studying organisms?
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