Quiz
Archaeal DIversity
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Questions in this quiz (6)
11. Phylum [blank_start]Eury[blank_end]archaeota
[blank_start]Extreme halophiles[blank_end]- high salt requirement (at least [blank_start]9[blank_end] % NaCl) for growth but typically (12-25 % NaCl)
no [blank_start]resting stages[blank_end] or spores
[blank_start]Halobacterium salinarium[blank_end]- pumps large amounts of [blank_start]K+[blank_end] into cell to prevent from water loss in hypertonic environment
[blank_start]bacterioruberin[blank_end]- gives off red color to water and is [blank_start]carotenoid[blank_end] pigment
Some extreme halophiles lack chlorophyll but have [blank_start]bacteriorhodopsin[blank_end]: makes Na+ or H+ gradient to make ATP (energy)- AEury
- BExtreme halophiles
- C9
- Dresting stages
- EHalobacterium salinarium
- Fbacterioruberin
- Gbacteriorhodopsin
- Hcarotenoid
- IK+
2Euryarchaeota continued.....
[blank_start]Methanogens[blank_end]- release 100 million tons of CH4 into atmosphere each year
Found in [blank_start]marshes[blank_end], landfills, and termite gut (anaerobic environments)
diverse [blank_start]cell wall[blank_end]- [blank_start]pseudomurein[blank_end], protein, [blank_start]glycoprotein[blank_end], S-layer
[blank_start]Thermoplasmatales[blank_end]- thermophilic and acidophilic
lack [blank_start]cell walls[blank_end]
[blank_start]Thermoplasma[blank_end] sp.- tolerates high temperatures and [blank_start]low pH[blank_end] bc of unique [blank_start]membrane[blank_end] structure
Membrane structure- tetraether lipid monolayer which contains [blank_start]lipoglycan[blank_end]
membrane has glycoproteins but does not have [blank_start]sterols[blank_end]
[blank_start]Hyperthermophiles[blank_end]- optimum growth at [blank_start]100[blank_end] degrees celsius in [blank_start]anoxic[blank_end] waters
highly [blank_start]motile[blank_end]
[blank_start]Pyrococcus[blank_end] sp.- fireball- AMethanogens
- Bmarshes
- Ccell wall
- Dpseudomurein
- Eglycoprotein
- FThermoplasmatales
- Gcell walls
- HThermoplasma
- Ilow pH
- Jmembrane
- Klipoglycan
- Lsterols
- MHyperthermophiles
- N100
- Oanoxic
- Pmotile
- QPyrococcus
32. Phylum Crenarchaeota
No cell wall but have [blank_start]crenarchaeol[blank_end]- glycerol tetraether lipid
Inhabit [blank_start]temperature[blank_end] extremes- psychrophiles and hyperthermophiles
Use [blank_start]sulfur[blank_end] containing compounds for electron acceptors- Asulfur
- Bcrenarchaeol
- Ctemperature
43. Phylum Nanoarcheota
One of the [blank_start]smallest[blank_end] cellular organisms ([blank_start]1[blank_end]% of the size of E.coli)
Small [blank_start]genome[blank_end] and lacks genes for all but core processes
[blank_start]symbionts[blank_end] or [blank_start]parasites[blank_end] of other archaea species
Found in hydrothermal vents and hot springs- A1
- Bsmallest
- Cgenome
- Dsymbionts
- Eparasites
54. Phylum Korarchaeota
Found in [blank_start]obsidian pool[blank_end] in yellowstone
hyperthermophiles living at [blank_start]85[blank_end] degrees celsius
originally detected from 16s ribosomal unit and no [blank_start]pure culture[blank_end] exists- Apure culture
- Bobsidian pool
- C85
65. Phylum Thaumarchaeota
grows by [blank_start]aerobically oxidizing[blank_end] ammonia
[blank_start]chemolithotroph[blank_end]- type of energy source
can use CO2 as carbon source
lives in [blank_start]open ocean[blank_end] or soil- Aaerobically oxidizing
- Bchemolithotroph
- Copen ocean
Information
- Description
- Euryarchaeota, Crenarchaeota,Nanoarchaeota, Korarchaeota, Thaumarchaeota
- Author
- Paul Videau
- Language
- English
- Views
- 16
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