Identify the regions of the transcription unit.
(A) Promoter
(B) Sigma factor
(C) Terminator
(D) The structural gene
Choose the correct answer from the options given below:
1
(A), (B) and (D) only
2
(A), (B) and (C) only
3
(A), (C) and (D) only
4
More than one of the above
5
None of the above