This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Protein Synthesis Inhibitors, Subject name: Pharmacology
Antibiotic structurally resembling Aminoacyl t-RNA and inhibiting protein synthesis in both prokaryotes as well as eukaryotes is? 
Select and explain. 
A. Azithromycin, B. Tetracycline, C. Chloramphenicol, D. Puromycin
D: Puromycin
Answer: D: Puromycin 
Explanation: 1. Puromycin is an Aminonucleoside antibiotic derived from the Streptomyces alboniger bacterium. 2. It can causes premature chain termination during translation and the pa of it resembles the 3' end of the Aminoacyl tRNA. 3. It can inhibit protein synthesis in both bacteria as well as humans