Question

TDIIB recognition element - BRE stands for:

(A) Transcriptional DNA Intron Insertion Binding
(B) TATA-Box DNA Intron Interaction Binding
(C) Transcription Factor II D Binding Response Element
(D) TATA-Box DNA Intron Inhibition Binding

Answer 1

The TDIIB recognition element - BRE stands for Transcription Factor II D Binding Response Element, which is part of the core regulatory mechanism in gene transcription involving the binding of transcription factors to the TATA box within the promoter region to form the initiation complex.

Step-by-step explanation:

The correct answer to what TDIIB recognition element - BRE stands for is (C) Transcription Factor II D Binding Response Element. This is related to the core promoter region of gene expression where the TATA box, which contains the consensus sequence 5'-TATAAA-3', is a crucial element. The role of the TATA box is to serve as a binding site for the TFIID protein complex, which includes a TATA-binding protein. The binding of TFIID facilitates the recruitment of other essential transcription factors such as TFIIB, resulting in the formation of the transcription initiation complex.

Each promoter can contain varying combinations of different transcription-factor binding sites, which are referred to as cis-acting elements. These elements, which can include the CAAT box and the GC box, respond to various environmental signals, allowing the binding of transcription factors and subsequently influencing gene transcription.