NEET 2016 Phase 2 · BiologyPrevious Year Question
Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria?
Answer: (C) 23 S rRNA. Answer: (C) 23 S rRNA.
- A.5 S rRNA
- B.18 S rRNA
- C.23 S rRNA✓
- D.5.8 S rRNA
Correct Answer
(C) 23 S rRNA
Solution & Explanation
Answer: (C) 23 S rRNA. Solution: In bacteria the 23S rRNA of the large ribosomal subunit is both a structural component and the catalyst (ribozyme) for peptide bond formation. NCERT Ch 5, p.99, lines 19-20: "The ribosome also acts as a catalyst (23S rRNA in bacteria is the enzyme- ribozyme) for the formation of peptide bond."
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