The TATA sequence is found only several nucleotides away from the start site of transcription. This most probably relates to which of the following?
A) the number of hydrogen bonds between A and T in DNA
B) the triplet nature of the codon
C) the ability of this sequence to bind to the start site
D) the supercoiling of the DNA near the start site
E) the 3-D shape of a DNA molecule

Question

Quizplus · Accepted Answer

The TATA sequence, or TATA box, is rich in adenine (A) and thymine (T) which have only two hydrogen bonds, making it easier to unwind the DNA for transcription initiation.

The TATA Sequence Is Found Only Several Nucleotides Away from the Start