This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteria, Subject name: Microbiology
Tbilisi phage is used for identification of- 
Select and explain. 
A. Bacillus, B. Corynebacterium, C. Salmonella, D. Brucella
D: Brucella
Answer: D: Brucella 
Explanation: Ans. D. Brucella.The species identification of Brucella is very complex and is based on-a. Relative proportions of 2 antigens, A and Mb. CO2 requirementc. H2 S productiond. Urease enzymee. Phage lysis (Tbilisi phage)f. Sensitivity to dyes.