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
Which of the following converts Pri-miRNA to pre-mi RNA 
Select and explain. 
A. Dicer, B. Drosha, C. RISC, D. Exonuclease
B: Drosha
Answer: B: Drosha 
Explanation: Pri-mi RNA is converted to Pre-mi RNA by Drosha.
It belongs to Ribonuclease III endonuclease family.
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