NEET Botany Transcription MCQ Question
Which of the following statements about transcription and gene structure is correct?
RNA polymerase requires initiation and termination factors to start and stop transcription.
All genes in eukaryotes are polycistronic due to interrupted coding sequences.
Introns appear in mature RNA and are essential for protein coding.
Exons are sequences that are removed from the RNA during processing.
Correct Answer
Detailed Explanation
RNA polymerase catalyzes elongation and associates with initiation-factor (σ) and termination-factor (ρ) for transcription initiation and termination, respectively. Monocistronic genes are typical in eukaryotes, while introns are non-coding sequences that do not appear in mature RNA.
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