Taxonomy Flashcards
phylogeny
evolutionary history of species or group of species
taxonomy
scientific discipline of naming and classifying organisms
binomial nomenclature
formal system of naming species of living things by giving each 1 name composed of 2 parts
levels of taxa
domain
kingdom
phylum
class
order
family
genus
species
number of domains (and their names)
3 (eubacteria, archaea, and eukarya)
virus
strand of DNA or RNA surrounded by layer of protein
acellular particle (not alive)
infectious agent (inserts genetic material into cell’s DNA, overrides cell’s normal functioning, and replicates throughout body)
caspid
protein shell enclosing viral genome
viral envelope
membrane that surrounds caspid in some viruses
composition of viral envelope
host cell’s phospholipids and membrane proteins
bacteriophage
virus that infects bacteria
prion
misfolded protein
acellular particle (not alive)
infectious agent (transmits misfolded shape onto normal variants of same protein)