Which of the following statements is correct regarding the Pribnow sequence?

• A. It is located -10 base pairs upstream of the transcription site and plays a crucial role in the initiation of transcription.
• B. It is composed of 6 base pair sequence ''TATAAT'', which is recognized and bound by the sigma factor of RNA polymerase.
• C. Pribnow box is located at the -35 region of bacterial promoters and is composed of six base pairs sequence of "TTGACA".
• D. Both (a) and (b).
• E. All of the above.

Answer: (D)