Transcription sometimes stops near pause sites because these are regions
A)rich in GC base pairs.
B)rich in AT base pairs.
C)without palindromic sequences.
D)where Nus A is not present.

Question

Quizplus · Accepted Answer

Regions rich in GC base pairs are more stable due to the triple hydrogen bonds between G and C, making it harder for the transcription machinery to separate the DNA strands, thus causing pauses.

Transcription Sometimes Stops near Pause Sites Because These Are Regions