Cells: Prokaryotic and Eukaryotic · Zoology

Which feature is common to both prokaryotic and eukaryotic cells?

  1. Membrane-bound nucleus
  2. 80S ribosomes
  3. Plasma membrane
  4. Mitochondria
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Correct answer: Plasma membrane

All living cells possess a plasma membrane that encloses the cytoplasm and regulates exchange with the environment. Prokaryotes lack membrane-bound organelles like the nucleus and mitochondria, which are found only in eukaryotes.

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