This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Recent noble prize is for 
Select and explain. 
A. RNA i, B. Lipoxin, C. T beta transcription factor, D. Mitochondrial DNA
A: RNA i
Answer: A: RNA i 
Explanation: The Nobel prize in Physiology or Medicine 2006 was awarded jointly to Andrew Z Fire and Craig C Mello for their discovery of RNA interference, gene silencing by double-stranded RNA. Ref: Ananthanarayanan and Paniker's textbook of microbiology 9th edition.