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25 Cards in this Set
- Front
- Back
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Unaided Human eye can see |
about 0.1 mm |
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Light microscope |
resolve bacteria but not viruses |
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electron microscope |
anything smaller than 500nm |
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diplococcus |
cocci arranged in pairs |
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streptococcus |
arranged in chains |
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tetrad |
two planes and arranged in four squares |
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hypertonic |
water goes out of the cell |
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hypotonic |
water goes into the cell |
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isotonic |
water goes into and out of the cell equally |
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uniporter |
transport a substance from one side of the membrane to the other side |
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facilitated diffusion |
transport of substances across a membrane by transport proteins |
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active transport |
enables bacteria to compete with other organisms for nutrients |
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proton motive force |
hydrolysis of ATP |
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Antiporter |
transport substance in one direction while transporting in another direction |
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symporter |
transports simultaneously two substances in same direction |
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binary diffusion |
one bacterium splits into two |
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Viruses |
simplest microbes |
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bacteria |
much larger than viruses |
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protozoa |
one celled predators and parasites similar to bacteria but larger |
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fungi |
group of organisms that have cell walls and absorb nutrients from either living organisms or dead organisms |
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colony Morphology |
way scientist can identify bacteria |
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complex media |
rich in nutrients, extracts of plant and animal tissue |
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defined media |
pure ingredients in measured concentrations |
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Selective media |
inhibiting additives |
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prokaryotes |
living cell |
