Cell Biology Basics Quiz

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Questions and Answers

What is the basic unit of life responsible for the living and functioning of organisms?

  • Cells (correct)
  • Molecules
  • Tissues
  • Organs

Which branch of biology studies the structure, function, and behavior of cells?

  • Cell biology (correct)
  • Ecology
  • Genetics
  • Physiology

What invention allowed for the first sighting of cells in 17th-century Europe?

  • Compound microscope (correct)
  • X-ray machine
  • Telescope
  • Electron microscope

Which microscopy techniques are used in the study of cells?

<p>Fluorescence microscopy (C)</p> Signup and view all the answers

What is fundamental to all biological sciences and essential for research in biomedical fields such as cancer?

<p>Knowledge of cell components and functions (A)</p> Signup and view all the answers

Which field is interconnected to research in cell biology?

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

Who is credited with the first analysis of live cells?

<p>Anton Van Leeuwenhoek (C)</p> Signup and view all the answers

Which scientists are credited with concluding the cell theory in 1838?

<p>Matthias Schleiden and Theodor Schwann (C)</p> Signup and view all the answers

What is the main difference between prokaryotic and eukaryotic cells?

<p>Presence of a nucleus (D)</p> Signup and view all the answers

Which type of cells lack an enclosed cell nucleus?

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

What distinguishes gram-positive bacteria from gram-negative bacteria?

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

Which technique has allowed scientists to gain a better understanding of the structure and function of cells?

<p>Microscopy (C)</p> Signup and view all the answers

Which subclass of virology studies viruses?

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

What are the two fundamental classifications of cells?

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

Which scientist contributed to the cell theory by adding that all cells come from the division of pre-existing cells?

<p>Rudolf Virchow (C)</p> Signup and view all the answers

What do viruses lack that are characteristic of living cells?

<p>Living metabolism (C)</p> Signup and view all the answers

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