This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti Microbial, Subject name: Pharmacology
[{'content': "Drug which doesn't inhibit nucleic acid synthesis? \nSelect and explain. \nA. Rifampicin, B. Fluoroquinolone, C. Nitrofurantoin, D. Linezolid", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D. Linezolida. Linezolid - Inhibits protein synthesis via binding to 50s subunit on ribosomes.b. Inhibition of Nucleic Acid Synthesis:c. Rifamycins- Inhibit bacterial RNA polymerased. Fluoroquinolones- Inhibit enzymes (DNA Gyrase) that are required for bacterial DNA synthesise. Nitrofurantoin- Generates metabolites that are incorporated into DNA strands, making more prone to breakage', 'role': 'assistant'}]