How Does the Antibiotic Rifampicin Prevent Transcription of RNA

question 29

Multiple Choice

How does the antibiotic rifampicin prevent transcription of RNA?

• A)Rifampicin blocks binding of RNA polymerase to the promoter.
• B)Rifampicin prevents chain elongation by preventing formation of the phosphodiester bond.
• C)Rifampicin prevents the chain termination,so transcripts are too long and rendered nonfunctional.
• D)Rifampicin blocks ribosomal RNAs from forming functional ribosomes.
• E)Rifampicin blocks translation by preventing the mRNA from being processed.

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