Cell Membranes and Archaebacteria
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Questions and Answers

Which of the following is a characteristic of archaebacteria?

  • They have branched chain lipids in their cell membrane
  • They live in extreme saline environments
  • They have introns in their genetic sequence (correct)
  • They can convert CO2 into methane
  • What is the role of methanogens in the guts of ruminant animals?

  • They convert CO2 into methane
  • They produce methane (biogas) from the dung of these animals (correct)
  • They convert formic acid into methane
  • They convert methanol into methane
  • What is the pigmented membrane developed by halophiles in strong light called?

  • Methanogens
  • Phytanyl side chains
  • Purple membrane (correct)
  • Bacterio-thodopsin
  • What is the energy source utilized by halophiles to carry out ATP production?

    <p>Sun's energy</p> Signup and view all the answers

    Which of the following is NOT a characteristic of methanogens?

    <p>They convert CO2 into methane</p> Signup and view all the answers

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