This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Biochemistry
Splicing Activity is a functions of 
Select and explain. 
A. m RNA, B. Sn RNA editing, C. r RNA, D. t RNA
B: Sn RNA editing
Answer: B: Sn RNA editing 
Explanation: Sn-RNA is involved in RNA splicing.
Sno-RNA → r-RNA modification
mi-RNA & St-RNA → Regulation of gene expression
 SP-RNA → RNA-interference (RNA i)