pathogenic
types that cause disease
beneficial bacteria
vitamins, decomposers, filter sewage, clean up oil spills, etc
cocci
round
bacilli
rod shaped
spirochete
spiral shaped
genus for grape like clusters
staph
genus for linear clusters
strep
gram +
purple, thick cell wall
gram -
pink, thin cell wall
reproduction
binary fission, must reproduce every 1-3 hours but some reproduce every 20 min
endospores
in harsh conditions some bacteria form endospores which allows it to go dormant until conditions are right
bacterial DNA
in a chromosome shaped like an O. smaller plasmids allow the bacteria to share genes. allows for fast adaptation and antibiotic resistance