Archaea Metabolism Quiz
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Questions and Answers

Where is Pyrolobus fumarii found growing at a record temperature?

  • Terrestrial hot springs
  • Deep-sea hydrothermal vents (correct)
  • Volcanic mud
  • Glaciers

In which type of environment are some archaea known to live at near-freezing temperatures?

  • Tropical rainforests
  • Deserts
  • Coral reefs
  • Polar regions (correct)

Where are halophilic archaea commonly found?

  • Salt lakes (correct)
  • Swamps
  • Mountain peaks
  • Freshwater lakes

Which pH range can acidophilic archaea tolerate?

<p>0 to 10.5 (C)</p> Signup and view all the answers

What is the primary role of methanogens in water waste treatment?

<p>Producing methane gas (A)</p> Signup and view all the answers

Where are marine archaea present in high numbers?

<p>Marine plankton (A)</p> Signup and view all the answers

Haloarchaea salinarum was isolated from what type of rock?

<p>Rock salt (D)</p> Signup and view all the answers

What is the temperature range at which hyperthermophiles grow best?

<p>Above 80°C (C)</p> Signup and view all the answers

Where would you likely find thermophilic archaea?

<p>Volcanic mud (B)</p> Signup and view all the answers

Which pH range can alkalophilic archaea tolerate?

<p>10.5 - 13.0 (A)</p> Signup and view all the answers

What type of environment is known for containing the most diverse sampling of archaea?

<p>Terrestrial soil (C)</p> Signup and view all the answers

What role do methanogens play in water waste treatment?

<p>Breaking down waste products (C)</p> Signup and view all the answers

Where are haloarchaea commonly found?

<p>Salt lakes (D)</p> Signup and view all the answers

Which type of archaea is among the most abundant organisms in the oceanic plankton community?

<p>Marine archaea (B)</p> Signup and view all the answers

What is the primary function of Methanobrevibacter smithii in the human gut?

<p>Metabolizing carbohydrates (C)</p> Signup and view all the answers

Picrophilus archaeon is known for thriving in which extreme condition?

<p>$pH ext{ }0.0$ (B)</p> Signup and view all the answers

Thaumarchaeota sp. are dominant prokaryotes in which natural setting?

<p>$Soil$ (A)</p> Signup and view all the answers

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