Question

Streptomyces mediterranei, first isolated in 1957, broad spectrum, inhibits transcription binds to B subunit of RNA polymerase, bactericidal, discolors urine

A. Rifampin
B. Ciprofloxacin
C. Levofloxacin
D. Moxifloxacin

Answer 1

Streptomyces mediterranei, discovered in 1957, is a bactericidal molecule that inhibits transcription by binding to the B subunit of RNA polymerase. It can also discolor urine.

Step-by-step explanation:

The molecule Streptomyces mediterranei, discovered in 1957, is a broad-spectrum antibacterial agent that acts by inhibiting transcription. It binds to the B subunit of RNA polymerase, which is a key enzyme involved in the synthesis of RNA. This binding prevents the initiation of transcription, ultimately leading to the inhibition of bacterial protein synthesis. It is bactericidal, which means it kills bacteria rather than just inhibiting their growth. Additionally, one notable side effect of this molecule is that it can discolor urine.