deck_15199498 Flashcards
consistent means to classify, name (nomenclature), and identify organism.
TAXONOMY
DOMAIN, KINGDOM, PHYLUM, CLASS, ORDER, FAMILY, GENUS and SPECIES
Hierarchical system of classification
Binomial Nomenclature
Carl Linnaeus
generic name and begin with capital letter.
GENUS name
specific name and begin with small letter.
SPECIES name
single-celled organisms (prokaryotes) that belongs to Domain Bacteria.
Bacteria (Bacterium if singular)
is the largest bacteria 0.75mm it shines white because of internal sulfur
THIOMARGARITA NAMIBIENSIS
Bacteria can be classified based on their shaped: coccus/cocci
Spherical
Bacteria can be classified based on their shaped: bacillus/ bacilli
Rod – Shaped
Bacteria can be classified based on their shaped: others
Spiral – shaped
single cells
Coccus
in pairs; spherical, flattened, elongated, or bean-shaped
Diplococci
long chains; immotile and gram-positive; present in family streptococcaceae
Streptococci
four cells; divide into 2 planes
Tetrad
eight cells; divide in perpendicular plane; strict anaerobe
Sarcina
single cells; endospores; anaerobes
BACILLUS
grape-like clusters; cell divides in both the planes; immotile and gram-positive
Staphylococci
resemble both as cocci and bacilli; shorter and stumpy
Coccabacilli
comma
Vibrio
– in pairs; after cell division, the 2 cells do not divide and grow in attached arrangement
Diplobacilli
– chains; cell divides in single chain
Streptobacilli
spiral bacteria having helical shape; flexible
Spirochetes