Identify an organelle found both in eukaryotic as well as prokaryotic.

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SSC CPO 2024 Official Paper-I (Held On: 28 Jun, 2024 Shift 2)
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  1. Ribosomes
  2. Mitochondria
  3. Lysosomes
  4. Endosomes

Answer (Detailed Solution Below)

Option 1 : Ribosomes
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SSC CPO : General Intelligence & Reasoning Sectional Test 1
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Detailed Solution

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The correct answer is Ribosomes

Key Points

  • Ribosomes are the only organelles found in both eukaryotic and prokaryotic cells.
  • They are responsible for protein synthesis in the cell.
  • Ribosomes can be found floating freely within the cytoplasm or attached to the endoplasmic reticulum in eukaryotic cells.
  • In prokaryotic cells, ribosomes are smaller (70S) compared to those in eukaryotic cells (80S).
  • Despite the size difference, the fundamental function of ribosomes remains the same across both cell types.

Additional Information

  • Prokaryotic cells do not have membrane-bound organelles, which distinguishes them from eukaryotic cells.
  • Eukaryotic cells contain various membrane-bound organelles, including the nucleus, mitochondria, and lysosomes, which are absent in prokaryotic cells.
  • The presence of ribosomes in both cell types highlights their essential role in the fundamental process of protein synthesis.
  • The differences in ribosome size between prokaryotes and eukaryotes are due to variations in their ribosomal RNA and protein content.
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