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</p> Signup and view all the answers

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

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

    Where are marine archaea present in high numbers?

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

    Haloarchaea salinarum was isolated from what type of rock?

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

    What is the temperature range at which hyperthermophiles grow best?

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

    Where would you likely find thermophilic archaea?

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

    Which pH range can alkalophilic archaea tolerate?

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

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

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

    What role do methanogens play in water waste treatment?

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

    Where are haloarchaea commonly found?

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

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

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

    Picrophilus archaeon is known for thriving in which extreme condition?

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

    Thaumarchaeota sp. are dominant prokaryotes in which natural setting?

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

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