UPSC Prelims 2001·GS1·science-and-technology·science and technology

Which of the following cell organelles play the most significant role in protein synthesis?

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Last updated 23 May 2026, 3:31 pm IST
  1. ALysosome and Centrosome
  2. BEndoplasmic reticulum and RibosomeCorrect
  3. CGolgi apparatus and Mitochondria
  4. DLysosome and Mitochondria

Explanation

The correct answer is B because protein synthesis is primarily driven by ribosomes and the endoplasmic reticulum. Ribosomes are known as the protein factories of the cell where amino acids are assembled into proteins. The rough endoplasmic reticulum is studded with these ribosomes and plays a crucial role in folding, processing, and transporting the synthesized proteins. Other organelles like lysosomes are involved in waste disposal, while mitochondria focus on energy production. Therefore, the combination of endoplasmic reticulum and ribosomes is essential for the production and structural maturation of proteins.
science-and-technology: Which of the following cell organelles play the most significant role in protein synthesis?

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