Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria

5·8s rRNA

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5s rRNA

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18s rRNA

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23s rRNA

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Solution

The correct option is D 23s rRNA
23S rRNA is a part of the 50S larger subunit of the prokaryotic ribosome. However, the 23S rRNA is also a ribozyme, as in it is an RNA that can catalyze reactions. The 23S rRNA can catalyze the formation of the peptide bonds between two amino acids.

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Similar questions

Q. Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria?

Q. Which of the following statements are correct?
(i) RNA polymerase I transcribes rRNAs.
(ii) RNA polymerase II transcribes snRNAs.
(iii) RNA polymerase III transcribes hnRNA.
(iv) RNA polymerase II transcribes hnRNA.

Q. Of the total RNA in cell, rRNA constitutes

Q. Consider the following statements. In eukaryotes
I. RNA polymerase I transcribes rRNAs
II. RNA polymerase II transcribes snRNAs
III. RNA polymerase III transcribes hnRNA
IV. RNA polymerase II transcribes hnRNA
Which of the statements given above are correct?

Read the following statement and inferences, and select the correct option.

Statement: The core of the larger ribosomal subunit, where the transfer of the peptidyl bonds happen from one amino acid to the next, is made up entirely of rRNA

Inference:

A. rRNA is smaller than proteins and hence can fit in the smallest of crevices

B. rRNA has catalytic capability and hence confers the name ribozyme to ribosome

C. rRNA has higher binding affinity with each other and hence excludes proteins from its core structure

D. The proteins which make up ribosome do not have a significant role to play in its catalytic activity

Which of the inferences are true?

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Which of the following rRNAs acts as structural RNA as well as ribozyme in bacteria

The correct option is D 23s rRNA23S rRNA is a part of the 50S larger subunit of the prokaryotic ribosome. However, the 23S rRNA is also a ribozyme, as in it is an RNA that can catalyze reactions. The 23S rRNA can catalyze the formation of the peptide bonds between two amino acids.

The correct option is D 23s rRNA
23S rRNA is a part of the 50S larger subunit of the prokaryotic ribosome. However, the 23S rRNA is also a ribozyme, as in it is an RNA that can catalyze reactions. The 23S rRNA can catalyze the formation of the peptide bonds between two amino acids.