Multiple choice

Erythromycin belonging to the macrolide group manifests its action by

  1. binding to 23S rRNA component of 50S subunit of the ribosome

  2. binding to 5S rRNA component of 50S subunit of the ribosome

  3. binding to 30S subunit of 70S ribosome

  4. binding to peptidyl transferase enzyme
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A Correct answer
Explanation

Erythromycin manifests its action by binding to 23S rRNA component of 50S subunit of the ribosome, thereby blocking the tunnel where the polypeptide string is supposed to exist.

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