- A RNA polymerase I
- B RNA polymerase II
- C RNA polymerase III
- D RNA polymerase IV
Correct answer: B. RNA polymerase II
Explanation: RNA polymerase II transcribes the heterogeneous nuclear RNA (hnRNA), the precursor that is processed into mature mRNA.
Concept context
DNA structure, replication, transcription, translation, the genetic code, and gene regulation (lac operon). The single most important chapter for NEET molecular biology.