Term
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Definition
Only one member
16S rRNA sequence shows it is distinct from other two phyla |
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Term
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Definition
| Other groups of archaeons are now recognizd, and many grow in extreme conditions |
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Term
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Definition
0.5-5 microeters in diameter
Similar shapes to bacteria / eukarya |
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Term
| Similarity of archaea and bacteria |
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Definition
| Usually have singular circular chromosomes and lack a membrane-bound nucleus |
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Term
| Similarity of archaea and eukarya |
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Definition
DNA is complexed with histones
Enzymes involved in DNA replication look similar |
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Term
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Definition
| Members are thermophiles, acidophiles, barophiles |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Live in high pressure (ie: bottom of ocean) |
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Term
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Definition
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Term
| Psychrophiles: temperature |
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Definition
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Term
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Definition
CO2 + H2 --reduced--> CH4 (methane) + H2O
Energy used to fix C
Strict anaerobes |
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Term
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Definition
NaCl concentration greater than 1.5 M (Great Salt Lake, Dead Sea)
Aforementioned vary from 5-34% salinity |
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Term
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Definition
| Solid, liquid, semisolid, selective, differential, enriched |
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Term
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Definition
Salt-tolerant organism on our body
Lives on our skin; can tolerate sweat |
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Term
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Definition
| Selects for a type of organism and inhibits others |
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Term
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Definition
| Gives a sign of some kind that helps you identify the organism (ex: color change) |
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Term
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Definition
| Supplies nutrients for "picky eaters" or hard-to-grow cultures |
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