Cell Organelles and Their Functions Quiz
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Questions and Answers

According to the theory of panspermia, how did the evolution of life on Earth potentially begin?

  • With the arrival of complex organic molecules on meteors or cosmic dust (correct)
  • By spontaneous generation
  • Through volcanic activity
  • As a result of underwater volcanic vents
  • What recent findings support the idea that some meteorites may have carried organic materials?

  • Evidence of liquid water on Jupiter
  • Hundreds of thousands of meteorites hitting Earth
  • Discovery of fossils on Mars (correct)
  • The proposal to land on Europa and search for life
  • How do most scientists view the hypothesis that an early source of carbonaceous material is extraterrestrial?

  • They find it testable but unproven (correct)
  • They consider it proven beyond doubt
  • They believe it is irrelevant to the origin of life
  • They reject it completely
  • Which moon is mentioned in the text as having liquid water beneath its surface?

    <p>Europa</p> Signup and view all the answers

    What force does the theory of spontaneous origin propose as leading to life from inanimate matter?

    <p>Selection</p> Signup and view all the answers

    What is NASA planning to do in relation to Europa to explore the possibility of life?

    <p>Land on Europa, drill through the surface, and send a probe down</p> Signup and view all the answers

    What is the primary function of the cell wall in plant cells?

    <p>To provide a rigid structure and maintain cell shape</p> Signup and view all the answers

    Which organelle is responsible for generating the majority of the cell's energy in the form of ATP?

    <p>Mitochondrion</p> Signup and view all the answers

    What is the primary function of vacuoles in plant and animal cells?

    <p>To store water, nutrients, and waste products</p> Signup and view all the answers

    Which organelle is responsible for sorting, packaging, and secreting cellular products?

    <p>Golgi apparatus</p> Signup and view all the answers

    What is the primary function of lysosomes in cells?

    <p>To digest excess or worn-out organelles and engulfed pathogens</p> Signup and view all the answers

    Which organelle is primarily involved in the formation of the spindle fibers during cell division?

    <p>Centrioles</p> Signup and view all the answers

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