NEET Botany Transcription Assertion Reason Question
Assertion (A): The RNA polymerase can catalyse initiation, elongation, and termination of transcription.
Reason (R): The RNA polymerase associates transiently with initiation and termination factors to alter its specificity.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Correct Answer
Detailed Explanation
The RNA polymerase itself can only catalyse elongation. It requires association with specific factors, σ for initiation and ρ for termination, to initiate and terminate transcription.
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