During transcription, RNA polymerase holoenzyme binds to a gene promoter and assumes a saddle-like structure. What is its DNA-binding sequence?

TTAA

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AATT

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CACC

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TATA

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Solution

The correct option is D TATA
A TATA box is a DNA sequence that indicates where a genetic sequence can be read and decoded. It is a type of promoter sequence, which specifies to RNA polymerase where transcription begins.

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