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When a negative transcription factor is added to the regulatory region of DNA, what happens?
choose all that apply a. RNA polymerase does not bind to the regulatory region to begin transcription. b. RNA polymerase binds loosely to the regulatory region and transcription begins. c. The negative transcription factor cannot bind to the regulatory region so it does not affect the action of RNA polymerase. d. mRNA is not produced due to the presence of the negative transcription factor.
What else can I help you with?
What is a transcription factor?
regulatory proteins
What happens when a steroid hormonoe binds to a receptor?
acts as a transcription factor and binds to DNA, activating a gene
What is the main function of transcription factor A in the process of transcription?
Transcription factor A binds to specific DNA sequences called promoter regions to initiate the transcription of a gene. It helps RNA polymerase recognize the promoter and start transcribing the gene into mRNA. Transcription factor A plays a crucial role in regulating gene expression by controlling when and how much mRNA is produced.
Is RNA polymerase considered a transcription factor?
No, RNA polymerase is not considered a transcription factor. RNA polymerase is an enzyme responsible for catalyzing the synthesis of RNA from a DNA template during the process of transcription. Transcription factors are proteins that regulate the transcription of specific genes by binding to DNA sequences.
What is the function of rho factor?
The rho factor acts to terminate bacterial transcription.
What is the difference between an enhancer and a transcription factor in gene regulation?
An enhancer is a DNA sequence that can increase the activity of a nearby gene, while a transcription factor is a protein that binds to DNA and helps regulate the transcription of genes. Enhancers can be bound by transcription factors to enhance gene expression.
What is the role of the sigma factor in transcription?
The sigma factor is a protein that helps RNA polymerase bind to the promoter region of a gene during transcription. It plays a crucial role in initiating the process of transcription by guiding RNA polymerase to the correct starting point on the DNA strand.
How is the gene EPSA1 and the transcription factor it encodes involved with hemoglobin production?
The gene EPSA1 encodes a transcription factor that plays a crucial role in regulating the expression of genes involved in hemoglobin production. This transcription factor facilitates the activation of specific genes necessary for erythropoiesis, the process of red blood cell formation, thereby influencing the synthesis of hemoglobin. By modulating the activity of key regulatory elements in the erythroid lineage, EPSA1 helps ensure proper hemoglobin levels and overall red blood cell function. Disruptions in EPSA1 function may lead to hematological disorders characterized by abnormal hemoglobin production.
Full form of tga transcription factor?
Referring to the TGA1 article in Plant Cell in 1992 by Schindler et al., TGA is an abbreviation for the DNA motif to which TGA1 binds. The authors show that TGA1 binds preferentially to TGACG motifs. Thus the full name should be TGACG motif binding (TGA) transcription factors. Mark Z.
Which molecule is primarily responsible for the differntiation of cells?
transcription factor proteins.
What is the function of the general transcription factor TFIID?
TFIID recognizes the TATA box.
Is the Tata box a transcription factor?
Yes, the Tata box is a DNA sequence that helps in the binding of transcription factors, which are proteins that regulate gene expression.
