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Nucleotides and Nucleosides

Which of the ...

Question

Which of the following activities is associated with 23 s rRNA?

A

Translocation of ribosomes on mRNA

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B

Binding of 40s- mRNA complex with tRNA

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C

Binding of mRNA with smaller unit of ribosomes

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D

Peptide bond formation

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Solution

The correct option is A Peptide bond formation
Bacteria consists of 3 types of rRNA. The small subunit contains 16S rRNA and the large subunit contains 5S and 23S. It plays major role in peptide bond formation. Peptide bond formation takes place by the peptidyl transferase center (PTC). This center is located in the 23s rRNA of large subunit.
Thus, the correct answer is 'Peptide bond formation.'

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