Q. Which of the following enzymes synthesizes precursor mRNA?
A) DNA polymerase
B) RNA polymerase I
C) RNA polymerase II
D) RNA polymerase III
Explanation
[Solution from source] RNA polymerase II transcribes the precursor of mRNA (hnRNA); Pol I makes rRNAs and Pol III makes tRNA, 5S rRNA and snRNAs. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.