Two modular elements that appear as consensus sequences upstream from RNA polymerase II transcription start sites are__________ .
A)TATA and CAAT
B)enhancers and telomeres
C)TTAA and CCTT
D)rDNA and nucleolar organizers
E)microsatellites and transposons

Question

Quizplus · Accepted Answer

The consensus sequences upstream from RNA polymerase II transcription start sites are typically the TATA box and the CAAT box. These regulatory elements help to define the transcription start site and promote efficient transcription initiation.

Two Modular Elements That Appear as Consensus Sequences Upstream from RNA