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MHT CET Medical202625 April 2026Evening ShiftBiologyMolecular Basis of InheritanceActual

Formation of peptide bond between amino acids during translocation is catalyzed by __________.

Options

  1. ARibozyme
  2. BPolynucleotide phosphorylase
  3. CPermease
  4. DTransacetylase

Correct answer

A. Ribozyme

Step-by-step solution

During translation, the formation of a peptide bond between amino acids is catalyzed by the enzyme peptidyl transferase. Peptidyl transferase is an integral part of the large ribosomal subunit. In prokaryotes, it is the 23S rRNA, and in eukaryotes, it is the 28S rRNA. Since it is an RNA molecule that acts as an enzyme, it is known as a ribozyme. Polynucleotide phosphorylase is an enzyme that synthesizes RNA without a template. Permease is a membrane transport protein that facilitates the entry of lactose into the c

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