Cell Theory Fundamentals
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Questions and Answers

Which one of these is true about cells?

  • Cells are only found in multicellular organisms
  • Cells can only be seen with the unaided eye
  • Cells are only found in macroscopic organisms
  • Cells are the basic structural and functional unit of life (correct)

    • What is the definition of a multicellular organism?

  • An organism that can be seen with the unaided eye
  • An organism made up of one cell
  • An organism that is microscopic
  • An organism made up of many cells (correct)

    • What is the definition of a unicellular organism?

  • An organism that is microscopic
  • An organism that can be seen with the unaided eye
  • An organism made up of many cells
  • An organism made up of only one cell (correct)

    • What is the purpose of a microscope?

    <p>To magnify the size of very small objects</p> Signup and view all the answers

    When were microscopes invented?

    <p>In 1590</p> Signup and view all the answers

    Who is credited with inventing the first compound microscope?

    <p>Zacharias Janssen</p> Signup and view all the answers

    Who observed pieces of cork under the microscope and coined the word 'cell'?

    <p>Robert Hooke</p> Signup and view all the answers

    Who discovered small organisms called 'animalcules' or little animals under the microscope?

    <p>Anton van Leeuwenhoek</p> Signup and view all the answers

    Who was the first scientist to observe sperm cells and egg cells of both animals and humans?

    <p>Anton van Leeuwenhoek</p> Signup and view all the answers

    Who discovered that all plants were made of cells?

    <p>Matthias Schleiden</p> Signup and view all the answers

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