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Bacteria Notes

QuestionAnswer
no membrane-bound organelles, is bacteria, is only single cell, no nucleus prokaryotes
has a nucleus, has organelles, everything but bacteria, can be single celled or multicellular eukaryote
ancient, live in harsh environments, no peptidoglycan Archaebacteria
creates methane, doesn't like oxygen (anaerobic) methanogens
loves salt (uses it to create ATP, or energy) extreme halophiles
loves acid and high temperatures thermoacidophiles
true bacteria, cell walls made of peptidoglycan, many shapes and sizes, bacteria that commonly lives in, on, and around us Eubacteria
sugar/protein molecule peptidoglycan
anaerobic no oxygen
rod-shaped bacilli
spherical shaped cocci
spiral-shaped spirilla
2 dip
chain strep
cluster staph
stain purple, simple cell walls with large amount of peptidoglycan gram-positive (+)
stain red or pink, complex cell walls with low amount of peptidoglycan, more deadly, resistant to many antibiotics, gram-negative (-)
asexual reproduction that produces identical offspring binary fission
must have oxygen obligate aerobes
oxygen kills them obligate anaerobes
can live with or without oxygen facultative anaerobe
decomposes dead corpses critical decomposers
helps another organism cooperative symbionts
preserves food useful fermenters
genetically modified by scientists to produce useful proteins microscopic factories
Created by: UrToaster
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