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CH 11: Prokaryote

Ch 11: Prokaryote Classification

TermDefinition
actinomycetes Gram-positive branching bacteria that resemble fungi
alphaproteobacteria Class of Gram-negative bacteria capable of growing at very low nutrient levels
bacillus rod-shaped prokaryotic cell
bacteroids diverse group of Gram-negative microbes that have similar rRNA nucleotide sequences
betaproteobacteria Class of diverse group of Gram-negative bacteria in the phylum Proteobacteria capable of growing at very low nutrient levels
binaryfission most common method of reproduction in prokaryotes
budding reproductive process in which an outgrowth of the parent cell receives a copy of the genetic material, enlarges, and detaches
chlamydia Any of the small, Gram-negative pathogenic cocci that grow and reproduce in the cells of mammals and birds
coccus spherical prokaryotic cell
cyanobacteria Gram-negative photosynthetic bacteria
deeply branching prokaryotic autotrophs with rRNA sequences and growth characteristics though to be similar to those of earliest bacteria
deltaproteobacteria group of proteobacteria that includes Myxobacteria
diplococci a pair of cocci
endospore environmentally resistant structure made by bacteria such as Clostridium species
epsilonproteobacteria group of Gram-negative rods, vibrios, and spiral bacteria on the phylum Proteobacteria
extremophiles microbes that requires extreme conditions of temperature, pH, and/or salinity to survive
gammaproteobacteria Largest and most diverse class of Proteobacteria
heterocyst thick-walled non-photosynthetic cell of cyanobacteria
Hyperthermophiles microorganisms requiring temperatures above 80C
metachromatic granules inclusions that store phosphate and stain differently from the rest of the cytoplasm
methanogens obligate anaerobes that produce methane
mycolicacid long-chain waxy lipid found in the cell walls of Mycobacteria
nitrogen fixation the conversion of atmospheric nitrogen into ammonium
palisade a folded arrangement of bacilli
pleomorphic describes a prokaryotic cell with more than one morphology
sarcinae a cuboidal packet of cocci
snapping a variation of binary fission
spirochete group od spiral, Gram-negative bacteria with axial filaments
staphylococci a cluster if cocci
streptococci a chain of cocci
tetrads a grouping of four cocci
thermophiles microorganisms requiring temperatures above 45C
vibrio a slightly curved rod-shaped bacterial cell
zetaproteobacteria class of usually autotrophic, Gram-negative bacteria in the phylum Proteobacteria
Created by: drmicro