Which of the Following is Not Part of the Core

Question

Which of the following is not part of the core promoter?
A) the transcription start site
B) the Pribnow box (−10 region)
C) the −35 region
D) the UP element

Accepted Answer

The UP element is not part of the core promoter, as it is an additional regulatory element that can enhance transcription initiation. The core promoter includes the transcription start site, the Pribnow box (−10 region), and the −35 region.