Extreme Organisms
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Questions and Answers

Which of the following is NOT a major domain of life?

  • Prokaryotes
  • Eukaryotes
  • Archaea
  • Fungi (correct)

What type of organisms live under extreme circumstances?

  • Prokaryotes
  • Eukaryotes
  • Extremophiles (correct)
  • Fungi

What type of organisms use chemosynthesis?

  • Photosynthetic organisms
  • Eukaryotes
  • Extremophiles
  • Prokaryotes (correct)

What is the hereditary information stored in?

<p>Double-strand DNA molecules (D)</p> Signup and view all the answers

What are orthologs?

<p>Genes that were created from one ancestral gene after speciation in different species (D)</p> Signup and view all the answers

What type of environment do extremophiles live in?

<p>Extreme conditions (B)</p> Signup and view all the answers

What are the simple molecules that can form the molecules of life?

<p>Methane, hydrogen, ammonia, water (C)</p> Signup and view all the answers

Which domain of life is our common ancestor?

<p>Prokaryotes: Archaea (A)</p> Signup and view all the answers

What is the term for genes that were created from one ancestral gene after speciation in different species?

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

What is the term for genes that were created from one ancestral gene and are active in one organism?

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

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