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Which eukaryotic RNA polymerase synthesises the mRNA precursor (hnRNA)?
APol II
BPol I
CPol III
Dthe only RNA polymerase in eukaryotes
Answer & Solution
Correct answer: A. Pol II
Eukaryotes have three RNA polymerases. Pol I transcribes most rRNAs, Pol II transcribes the mRNA precursor (hnRNA), and Pol III transcribes tRNAs and small RNAs.
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