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Origin and Evolution of Life
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Origin and Evolution of Life

Created by
@UnbeatableVibrance

Questions and Answers

Which of the following is true about the early atmosphere of Earth?

  • It had a low concentration of nitrogen (N2)
  • It contained oxygen (O2)
  • It had a high concentration of carbon dioxide (CO2) (correct)
  • It lacked water vapor (H2O)

    • What are the four requirements for the formation and accumulation of biomolecules?

  • Chemical building blocks, energy, absence of oxygen, and time (correct)
  • Chemical building blocks, oxygen, energy, and time
  • Chemical building blocks, water, oxygen, and time
  • Chemical building blocks, energy, oxygen, and life

    • Which hypothesis suggests that organic monomers formed polymers on hot rock/clay surfaces?

  • Iron-sulfur world (correct)
  • Miller-Urey experiment
  • Protobionts
  • Prebiotic soup/broth

    • What are protobionts?

    <p>Abiotically produced organic molecules</p> Signup and view all the answers

    Who tested the prebiotic soup hypothesis in the 1950s?

    <p>Miller and Urey</p> Signup and view all the answers

    Which of the following is true about the age of the Earth?

    <p>Earth is approximately 4.6 billion years old</p> Signup and view all the answers

    What were the main components of the early atmosphere?

    <p>Carbon dioxide (CO2) and water vapor (H2O)</p> Signup and view all the answers

    What is the Iron-sulfur world hypothesis?

    <p>Cracks in deep ocean floor allowed the formation of organic molecules</p> Signup and view all the answers

    What did Oparin and Haldane test in the 1920s?

    <p>The composition of the early atmosphere</p> Signup and view all the answers

    What is the main focus of the chapter 'Origin and evolutionary history of life'?

    <p>The chemistry of life</p> Signup and view all the answers

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