Question

Which feature of promoters can be found in both prokaryotes and eukaryotes? a. GC box b. TATA box c. octamer box d. -10 and -35 sequences

Short answer

Option b is correct.

Step-by-step solution

Step 1. Introduction

Promoters are present in DNA which is the region from where RNA polymerase starts to transcribe genes. It basically initiates transcription.

Step 2. Explanation of the correct option

Option b is correct because the TATA box is found both in prokaryotes as well as Eukaryotes.

TATA box sequence resembles the -10 sequence in prokaryotes and in eukaryotes its located at about +25.

Step 3. Explanation of the incorrect option

Option a is incorrect because the GC box is located in the promoter region of eukaryotes upstream of the TATA box.

Option c is incorrect because octamer binding proteins are highly conserved transcription factors not found in both prokaryotes and eukaryotes.

option d is incorrect because -10 and -35 sequences are found in prokaryotes only.