Cell Biology Overview
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Questions and Answers

What conclusion did Robert Hooke draw about cells based on his observations?

  • Cells are non-living entities. (correct)
  • Cells are complex structures with living functions.
  • Cells are the basic units of structure in living organisms.
  • Cells vary greatly in number among different organisms.

    • Which of the following statements about mycoplasmas is true?

  • They are the smallest known living organisms. (correct)
  • They possess complex organelles.
  • They are found only in multicellular organisms.
  • They primarily exchange materials with their environment.

    • What was a key difference between Robert Hooke's and Anton van Leeuwenhoek's observations of cells?

  • Hooke discovered cells in living organisms while Leeuwenhoek did not.
  • Hooke used a simpler microscope with less magnification. (correct)
  • Leeuwenhoek focused solely on cork while Hooke observed a variety of substances.
  • Leeuwenhoek concluded that cells were non-living entities.

    • Which of the following roles do organelles within a cell NOT perform?

    <p>Maintaining the overall shape of the organism.</p> Signup and view all the answers

    Why does the number of cells vary across different organisms?

    <p>The complexity of functions and size of the organism usually determines cell count.</p> Signup and view all the answers

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