Molecular Basis of Inheritance Question 21

21. During transcription, RNA polymerase holoenzyme binds to a gene promoter and assumes a saddle-like structure, what is it’s DNA-binding sequence?

(a) AATT

(b) CACC

(c) TATA

(d) TTAA

Show Answer

Answer : c

Hints & Solution

(c) The DNA binding sequence for RNA polymerase is called TATA box.