17 Questions
Where is Pyrolobus fumarii found growing at a record temperature?
Deep-sea hydrothermal vents
In which type of environment are some archaea known to live at near-freezing temperatures?
Polar regions
Where are halophilic archaea commonly found?
Salt lakes
Which pH range can acidophilic archaea tolerate?
0 to 10.5
What is the primary role of methanogens in water waste treatment?
Producing methane gas
Where are marine archaea present in high numbers?
Marine plankton
Haloarchaea salinarum was isolated from what type of rock?
Rock salt
What is the temperature range at which hyperthermophiles grow best?
Above 80°C
Where would you likely find thermophilic archaea?
Volcanic mud
Which pH range can alkalophilic archaea tolerate?
10.5 - 13.0
What type of environment is known for containing the most diverse sampling of archaea?
Terrestrial soil
What role do methanogens play in water waste treatment?
Breaking down waste products
Where are haloarchaea commonly found?
Salt lakes
Which type of archaea is among the most abundant organisms in the oceanic plankton community?
Marine archaea
What is the primary function of Methanobrevibacter smithii in the human gut?
Metabolizing carbohydrates
Picrophilus archaeon is known for thriving in which extreme condition?
$pH ext{ }0.0$
Thaumarchaeota sp. are dominant prokaryotes in which natural setting?
$Soil$
Test your knowledge on the unique metabolism of archaea, including modified carbohydrate metabolism, phototropism, and methanogenesis. Learn about how archaea metabolize glucose in modified pathways compared to other organisms.
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