RNA polymerase II is responsible for transcription of which genes?

Study for the DNA Structure, Replication, Transcription and Translation Test with flashcards and multiple choice questions. Each question offers hints and explanations. Prepare thoroughly and excel in your exam!

Multiple Choice

RNA polymerase II is responsible for transcription of which genes?

Explanation:
RNA polymerase II makes the transcripts that become messenger RNA and many non-coding RNAs. It handles the transcription of protein-coding genes, producing pre-mRNA that is processed into mature mRNA, and it also transcribes a broad set of non-coding RNA genes, such as certain small regulatory RNAs and long non-coding RNAs. This distinguishes it from the other RNA polymerases: ribosomal RNA genes are transcribed by RNA polymerase I, and transfer RNA genes by RNA polymerase III. Therefore, RNA polymerase II transcribes protein-coding genes (mRNA) and many non-coding RNAs.

RNA polymerase II makes the transcripts that become messenger RNA and many non-coding RNAs. It handles the transcription of protein-coding genes, producing pre-mRNA that is processed into mature mRNA, and it also transcribes a broad set of non-coding RNA genes, such as certain small regulatory RNAs and long non-coding RNAs. This distinguishes it from the other RNA polymerases: ribosomal RNA genes are transcribed by RNA polymerase I, and transfer RNA genes by RNA polymerase III. Therefore, RNA polymerase II transcribes protein-coding genes (mRNA) and many non-coding RNAs.

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