The Cellular World

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Questions and Answers

Which one of these is NOT a basic principle of the cell theory?

  • Cells can only come from other cells (correct)
  • All living organisms are made up of cells
  • Cells are the basic units of life
  • Cells arise from pre-existing cells

Which one of these describes the surface-area-to-volume ratio of a cell?

  • It controls the movement of substances into and out of a cell
  • It regulates the metabolic activities of a cell
  • It limits the size of a cell (correct)
  • It determines the shape of a cell

Which one of these is NOT a fundamental component of a bacterial cell?

  • Cytoplasm
  • Nucleus (correct)
  • Cell membrane
  • Ribosomes

Which one of these best explains the endosymbiotic theory?

<p>Eukaryotic cells evolved from prokaryotic cells through endosymbiosis (D)</p> Signup and view all the answers

Which one of these is NOT a function of organelles in a eukaryotic cell?

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

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