29. Which is correct order of following stages in transcription initiation?
(1) Forming the open promoter complex.
(2) Forming the closed promoter complex.
(3) Promoter clearance.
(4) Incorporating first few nucleotides.
(A) 1, 2, 3, 4;
(B) 1, 4, 3, 2;
(C) 2, 1, 4, 3;
(D) 1, 2, 4, 3;
(E) 3, 1, 2, 4.

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