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Is an enhancer is a sequence of nucleotides that when activated by specific signal proteins aids in shielding the RNA polymerase binding site of a specific gene?

An enhancer is a DNA sequence that functions to increase the transcription of a gene by facilitating the binding of transcription factors and RNA polymerase to the promoter region. It does not shield the RNA polymerase binding site; instead, it enhances gene expression by increasing the rate of transcription.


When transcription begins the enzyme is called?

the RNA polymerase attaches to the promoter and transcribes the gene in messenger RNA, or mRNA


Does a promoter determine whether a gene is expressed?

Yes, a promoter is a region of DNA located at the beginning of a gene that initiates the process of transcription, which is the first step in gene expression. The presence of specific sequences in the promoter region can influence the rate and level of gene expression.


What genetic locus serves as a recognition site for RNA polymerase?

The promoter region, typically located upstream of the coding sequence, serves as the recognition site for RNA polymerase. It contains specific DNA sequences that allow RNA polymerase to bind and initiate transcription.


What is the region of DNA where RNA synthesis begins called?

The region of DNA where RNA synthesis begins is the promoter. DNA contains a number of upstream regulatory and promoter sequences but the region of DNA where RNA synthesis begins is the start codon. This is the first codon that translates into an RNA nucleotide.

Related Questions

Helps RNA polymerase recognize the start of a gene?

The promoter region in DNA helps RNA polymerase recognize the start of a gene. The promoter contains specific sequences that serve as binding sites for RNA polymerase, allowing it to initiate transcription of the gene. Transcription factors also play a role in assisting RNA polymerase in recognizing and binding to the promoter region.


Where does RNA polymerase bind?

RNA polymerase bind specific regions of DNA called promoters. The RNA polymerase holoenzyme is guided to promoters by interactions between members of the holoenyzme and specific DNA sequences such as the TATA box.


How do scientists search for genes?

to look for new genes, scientists scan DNA sequences for known promoter sequences and RNA polymerase binding sites


What is the region where RNA polymerase binds on DNA?

RNA polymerase binds to the promoter region of DNA to initiate transcription. The promoter region contains specific nucleotide sequences that help RNA polymerase recognize where to start transcribing the gene.


What is The nontranscribed region of DNA to which RNA polymerase binds to initiate transcription called?

The nontranscribed region of DNA to which RNA polymerase binds to initiate transcription is called the promoter region. It contains specific sequences that signal to RNA polymerase where to begin transcribing the gene.


Is an enhancer is a sequence of nucleotides that when activated by specific signal proteins aids in shielding the RNA polymerase binding site of a specific gene?

An enhancer is a DNA sequence that functions to increase the transcription of a gene by facilitating the binding of transcription factors and RNA polymerase to the promoter region. It does not shield the RNA polymerase binding site; instead, it enhances gene expression by increasing the rate of transcription.


Where in the promoter do transcription factors bind?

Completely Specific Transcription Factors bind to equally specific Dna Sequences that are located and found within The Promoter [Dna] Sequence. Up-Stream from the promoter sequence are the enhancer sequences; Down-Stream is the Operator Sequence - followed by the encoded information.


When transcription begins the enzyme is called?

the RNA polymerase attaches to the promoter and transcribes the gene in messenger RNA, or mRNA


Can clones isolated from cDNA libraries contain promoter sequences?

No, clones isolated from cDNA libraries do not contain promoter sequences because the cDNA synthesis process does not retain regulatory elements such as promoters. cDNA is made from mature mRNA and lacks the non-coding regions found in genomic DNA, including promoters. Therefore, clones isolated from cDNA libraries do not include promoter sequences.


How does RNA polymerase determine its binding location on the DNA strand?

RNA polymerase determines its binding location on the DNA strand by recognizing specific sequences of nucleotides called promoter regions. These promoter regions contain signals that indicate where the RNA polymerase should start transcribing the DNA into RNA. The RNA polymerase binds to these promoter regions with the help of other proteins, allowing it to initiate the transcription process at the correct location on the DNA strand.


The site where RNA polymerase attaches to the DNA molecule to start the formation of mRNA is called a?

The site where RNA polymerase attaches to the DNA molecule to start the formation of mRNA is called a promoter region. This region contains specific nucleotide sequences that signal the start of transcription.


Does a promoter determine whether a gene is expressed?

Yes, a promoter is a region of DNA located at the beginning of a gene that initiates the process of transcription, which is the first step in gene expression. The presence of specific sequences in the promoter region can influence the rate and level of gene expression.