Which antibiotic inhibits transcription elongation?
ARifampicin
BStreptolydigin
CPenicillin
DTetracyclin
Answer:
B. Streptolydigin
Read Explanation:
Streptolydigin prevents elongation while Rifampicin prevents initiation. Penicillin and Tetracyclin act on the ribosome and not on RNA polymerase although even they ultimately inhibit protein synthesis.
