Question:
Ribosome is chemically equivalent to:
Ribosome is chemically equivalent to:
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Ribosomes are ribonucleoprotein complexes; always link them with RNA-based biological systems in MCQs.
Updated On: Jun 20, 2026
- DNA virus
- RNA virus
- All animal virus
- Viroid
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the nature of ribosome.
Ribosomes are cellular organelles composed mainly of ribosomal RNA (rRNA) and proteins. The key biochemical component is RNA, which plays a structural and functional role in protein synthesis.
Step 2: Chemical composition analysis.
Since ribosomes are rich in RNA molecules, their chemical nature is closest to RNA-based biological entities rather than DNA-based structures.
Step 3: Comparing with given options.
- DNA virus: Genetic material is DNA, so not similar.
- RNA virus: Genetic material is RNA, making it closest match to ribosomal composition.
- All animal virus: Too broad and incorrect classification.
- Viroid: Infectious RNA but not structurally equivalent to ribosomes.
Step 4: Logical elimination.
Eliminating DNA-based and structurally unrelated options, RNA-based classification remains most appropriate.
Step 5: Final reasoning.
Since ribosomes are fundamentally RNA-rich complexes, the closest chemical equivalence is RNA virus.
Step 6: Final conclusion.
Therefore, the correct answer is: \[ \boxed{\text{RNA virus}} \]
Ribosomes are cellular organelles composed mainly of ribosomal RNA (rRNA) and proteins. The key biochemical component is RNA, which plays a structural and functional role in protein synthesis.
Step 2: Chemical composition analysis.
Since ribosomes are rich in RNA molecules, their chemical nature is closest to RNA-based biological entities rather than DNA-based structures.
Step 3: Comparing with given options.
- DNA virus: Genetic material is DNA, so not similar.
- RNA virus: Genetic material is RNA, making it closest match to ribosomal composition.
- All animal virus: Too broad and incorrect classification.
- Viroid: Infectious RNA but not structurally equivalent to ribosomes.
Step 4: Logical elimination.
Eliminating DNA-based and structurally unrelated options, RNA-based classification remains most appropriate.
Step 5: Final reasoning.
Since ribosomes are fundamentally RNA-rich complexes, the closest chemical equivalence is RNA virus.
Step 6: Final conclusion.
Therefore, the correct answer is: \[ \boxed{\text{RNA virus}} \]
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