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QUESTION:

Which three organelles are not surrounded by membranes?

  • Mitochondria 

  • Centrosomes 

  • Ribosomes 

  • Centrioles 

  • Golgi complex 

  • Endoplasmic reticulum 

ANSWER:

Answer: Centrosomes, ribosomes, and centrioles. 

Posted by Cleveland on February 24, 2026
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