History of Cell Theory

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Questions and Answers

Who was the first to view organisms using a handheld microscope?

  • Rudolph Virchow
  • Matthias Schleiden
  • Theodore Schwann
  • Anton van Leeuwenhoek (correct)

Which German botanist concluded that all plants were made of cells?

  • Anton van Leeuwenhoek
  • Matthias Schleiden (correct)
  • Theodore Schwann
  • Rudolph Virchow

Who observed cells dividing under the microscope and concluded that all cells come from other pre-existing cells?

  • Matthias Schleiden
  • Rudolph Virchow (correct)
  • Theodore Schwann
  • Anton van Leeuwenhoek

What is the basic unit of structure and function in an organism?

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

What surrounds the outside of all cells and controls what enters or leaves the cell?

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

Which organelle is known as the 'powerhouse' of the cell and generates cellular energy?

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

Which organelle is responsible for protein synthesis in a cell?

<p>Ribosomes (D)</p> Signup and view all the answers

Which organelle contains digestive enzymes and breaks down food, bacteria, and worn-out cell parts?

<p>Lysosomes (A)</p> Signup and view all the answers

What are centrioles made of and what is their function during cell division?

<p>Paired structures near nucleus; helping to pull chromosome pairs apart to opposite ends of the cell (D)</p> Signup and view all the answers

What is found inside the nucleus, controlling the normal activities of the cell and containing DNA?

<p>Nucleolus (D)</p> Signup and view all the answers

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