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16 Cards in this Set
- Front
- Back
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what do Bacteria produce in the atmosphere?
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1/2 of oxygen
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general characteristics are:
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prokaryotic, unicellular, cell wall, 1 large chromosome (circular DNA)
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How do bacteria produce?
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binary fission
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the 3 shapes are:
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bacillus (rod), cocci (spherical), spirilla (corkscrew)
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autotrophs
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make their own energy
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heterotrophs
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have to consume energy (do not make own)
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essential as _____ in environment
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decomposers
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convert ____ into usable forms for plants
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N2
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what do "good" E.coli in intestines do?
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aid digestion, make vit. K
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importance:
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clean oil spills (eat oil), food production, recombinant DNA (use bacteria to make copies of genes)
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pathogenic
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disease causing
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streptococcus:
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cause strep throat
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indicator species
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species that are used to determine health of ecosystem
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antibiotics
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attack and destroy bacteria
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gram positive
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carb and protein
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gram negative
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2 layers, lipids and carb
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