In bacterial ribosomes, peptide bond formation is catalysed by which m…

Question

In bacterial ribosomes, peptide bond formation is catalysed by which molecule?

Accepted Answer

C. {'text': 'The 23S rRNA of the large subunit', 'label': 'C'}

Peptidyl transfer occurs in the large subunit, with the growing peptide held at the P site. The 23S rRNA in bacteria catalyses peptide bond formation, making it a ribozyme.

Answer

{'text': 'A protein enzyme on the small subunit', 'label': 'A'}

Answer

{'text': 'The mRNA itself', 'label': 'B'}

Answer

{'text': 'An aminoacyl tRNA synthetase', 'label': 'D'}