Which of the following structures is not found in prokaryotic cells? (1) Plasma membrane (2) Nuclear envelope (3) Ribosome (4) Mesosome
Which of the following structures is not found in prokaryotic cells? (1) Plasma membrane (2) Nuclear envelope (3) Ribosome (4) Mesosome

Correct option: (2)         

Explanation for the correct option:   

  • The prokaryotic cells lack membrane bound organelles.
  • The true nucleus is absent and is replaced by membrane less nucleoid.

 Explanation for the incorrect option:

  • The plasma membrane, nuclear envelope and mesosome are membrane bound structures.
  • Plasma membrane is not an organelle.