Question

Core promoter is the site that stretches between _______________

(a) TATA box and start site

(b) TATA box and stop site

(c) TATA box and operator

(d) TATA box and the promoter

I have been asked this question in a national level competition.

This question is from Gene Expression Control topic in section Control of Gene Expression of Cell Biology

Answer 1

Right option is (a) TATA box and start site

To elaborate: Core promoter is the region upstream of a gene that stretches between the TATA box and the transcription start site. It is the site of assembly for pre-initiation complex consisting of RNA polymerase II and general transcription factors that are required for eukaryotic gene transcription.