Which of the following correctly describes eukaryotic transcriptional control? a. A transcription factor is a...
Which of the following correctly describes eukaryotic
transcriptional control?
a. A transcription factor is a
DNA molecule that helps RNA polymerase to bind to the enhancer of a
specific gene.
b. An enhancer is a protein
that encourages gene expression by binding to the DNA.
c. The promoter is the region
of RNA where DNA polymerase will bind to begin transcription.
d. The interaction of multiple
transcription factors may be required in order to transcribe a
gene.
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Which of the following correctly describes eukaryotic
transcriptional control?
a. A transcription factor is a...
Match each term associated with genes and control of gene expression with the appropriate description. A...
Match each term associated with genes and control of gene expression with the appropriate description. A transcriptional unit" that consists of promoter multiple genes under the control of a single regulatory element. A transcriptional regulatory protein (prokaryotic or eukaryotic) which works by turning on or increasing gene transcription. activator The region of a gene to which RNA polymerase binds. Enhancer A transcriptional regulatory protein prokaryotic or eukaryotic) which works by turning off or decreasing gene transcription. repressor A molecule that...
Describe how to control transcriptional initiation occurs in both PROKARYOTES and EUKARYOTES. Word bank: promoter TATA-Binding...
Describe how to control transcriptional initiation occurs in both PROKARYOTES and EUKARYOTES. Word bank: promoter TATA-Binding Protein (TBP) RNA polymerase + sigma factor enhancer TATA-box gene-specific transcription factors RNA polymerase + GTFs phosphodiester bonds -10 and -35 consensus sequences mediator protein +1 Transcriptional Start Site (TSS) deoxynucleoside triphosphates (dNTPs) template DNA RNA transcript.
Which of the following is NOT a function of transcription that requires the activity from subunits...
Which of the following is NOT a function of transcription that requires the activity from subunits of the Core RNA Palymerase? a. RNA polymerase activity that base-pairs and polymerizes nucleotides to make mRNA. b. Helicase activity that unwinds the double-stranded DNA molecule for transcription c. Specific recognition of -35 box and -10 box sites in the promoter region. d. General binding that helps RNA polymerase loosely adhere to DNA, before Transcription begins. Oe. Trick Question. The Core RNA polymerase can...
Looking at the diagram of transcription in eukaryotes and using the information provided, how could the...
Looking at the diagram of transcription in eukaryotes and using the
information provided, how could the expression of lactase RNA be
turned on and off by transcription factors, activators and
repressors?
Styles Font Paragraph Activators bind to genes at Rapressors bind to genes seauences and at shaoser sequences and The expression of RNA in eukaryotes is initiated by the binding of basal transcription factors to the promoter sequence of a gene. This leads to the recruitment of RNA polymerase to...
18. Which of the following statements correctly describe the role of transcription in the initiation of...
18. Which of the following statements correctly describe the role of transcription in the initiation of transcription in eukaryotes? A. Some transcription factors must bind to the promoter before RNA polymerası bind. B. Some transcription factors must bind to the promotor proximal element to en significant levels of mRNA production C. Some transcription factors can bind to enhancer elements thousands of base away from the gene D. Some transcription factors can bind to silencer elements that might be locate thousands...
2. a) Sketch a eukaryotic gene (brns) that is regulated by one transcription factor - Brt...
2. a) Sketch a eukaryotic gene (brns) that is regulated by one transcription factor - Brt - that bind 50 bps upstream of the transcription start site and an enhancer - Ned - that binds 10 kb upstream of the transcription start site. In your sketch, indicate the start of transcription, TATA box beginning of the open reading frame for your gene (ATG), location of the promoter, location of the transcription factors, location of the RNA polymerase II, location of...
3. Which of the following is not a good example of a housekeeping protein in eukaryotic...
3. Which of the following is not a good example of a housekeeping protein in eukaryotic cells? a)DNA polymerase b)histones c)RNA polymerase 4)hemoglobin Explanation: 4. Which of the following statements about histones is true? a. Histones activate transcription when bound to the promoter, b. Although RNA polymerase can access DNA packed around histones, the general transcription factors and transcriptional regulators cannot. c. Histone acetyltransferases affect transcription by adding acetyl groups to histones and altering chromatin structure to allow accessibility to...
3. This is a schematic of a very simple pattern of gene expression. Yes means the...
3. This is a schematic of a very simple pattern of gene expression. Yes means the protein is present and can bind the promoter. No means the protein is absent. Transcription factors are proteins that help regulate transcription by binding DNA Activators are transcription factors that help transcription. For example, they bend the promoter and make it accessible to RNA polymerase. Repressors are transcription factors that inhibit transcription. For example, they might bind the promoter and stop the RNA polymerase...
Question 1 Match the term with the best definition or description; most topics relate to the...
Question 1 Match the term with the best definition or description; most topics relate to the regulation of gene expression. General type of protein which will increase transcription rates when it attaches to a site A. Factor connected to a particular gene - B. Co-repressor C. Enhancer D. Promoter E. Structural F. Intron G. Activator H. Operator I. Basal transcription J. Glucocorticoid receptor K. Sigma factor L. Mediator M. Inducer N. TATA box O. Repressor The rates of mRNA produced...
on and 6. Draw the same Eukaryotic transcript after splicing has removed the m label the...
on and 6. Draw the same Eukaryotic transcript after splicing has removed the m label the remaining parts. 7. Describe the roles of the following features involved in Eukaryotic transcription: TATA Binding Protein General Transcription Factors Polymerase II 8. In Eukaryotic transcription, which happens first? A. The General Transcription Factors are recruited, and the Preinitiation complex (PIC) is assembled. B. The TBP binds the promoter 9. Describe the carboxy terminal domain (CTD) of RNA polymerase II and two of its...
Match each term associated with genes and control of gene expression with the appropriate description. A transcriptional unit" that consists of promoter multiple genes under the control of a single regulatory element. A transcriptional regulatory protein (prokaryotic or eukaryotic) which works by turning on or increasing gene transcription. activator The region of a gene to which RNA polymerase binds. Enhancer A transcriptional regulatory protein prokaryotic or eukaryotic) which works by turning off or decreasing gene transcription. repressor A molecule that...
Which of the following is NOT a function of transcription that requires the activity from subunits of the Core RNA Palymerase? a. RNA polymerase activity that base-pairs and polymerizes nucleotides to make mRNA. b. Helicase activity that unwinds the double-stranded DNA molecule for transcription c. Specific recognition of -35 box and -10 box sites in the promoter region. d. General binding that helps RNA polymerase loosely adhere to DNA, before Transcription begins. Oe. Trick Question. The Core RNA polymerase can...
Looking at the diagram of transcription in eukaryotes and using the
information provided, how could the expression of lactase RNA be
turned on and off by transcription factors, activators and
repressors?
Styles Font Paragraph Activators bind to genes at Rapressors bind to genes seauences and at shaoser sequences and The expression of RNA in eukaryotes is initiated by the binding of basal transcription factors to the promoter sequence of a gene. This leads to the recruitment of RNA polymerase to...
18. Which of the following statements correctly describe the role of transcription in the initiation of transcription in eukaryotes? A. Some transcription factors must bind to the promoter before RNA polymerası bind. B. Some transcription factors must bind to the promotor proximal element to en significant levels of mRNA production C. Some transcription factors can bind to enhancer elements thousands of base away from the gene D. Some transcription factors can bind to silencer elements that might be locate thousands...
3. Which of the following is not a good example of a housekeeping protein in eukaryotic cells? a)DNA polymerase b)histones c)RNA polymerase 4)hemoglobin Explanation: 4. Which of the following statements about histones is true? a. Histones activate transcription when bound to the promoter, b. Although RNA polymerase can access DNA packed around histones, the general transcription factors and transcriptional regulators cannot. c. Histone acetyltransferases affect transcription by adding acetyl groups to histones and altering chromatin structure to allow accessibility to...
3. This is a schematic of a very simple pattern of gene expression. Yes means the protein is present and can bind the promoter. No means the protein is absent. Transcription factors are proteins that help regulate transcription by binding DNA Activators are transcription factors that help transcription. For example, they bend the promoter and make it accessible to RNA polymerase. Repressors are transcription factors that inhibit transcription. For example, they might bind the promoter and stop the RNA polymerase...
Question 1 Match the term with the best definition or description; most topics relate to the regulation of gene expression. General type of protein which will increase transcription rates when it attaches to a site A. Factor connected to a particular gene - B. Co-repressor C. Enhancer D. Promoter E. Structural F. Intron G. Activator H. Operator I. Basal transcription J. Glucocorticoid receptor K. Sigma factor L. Mediator M. Inducer N. TATA box O. Repressor The rates of mRNA produced...
on and 6. Draw the same Eukaryotic transcript after splicing has removed the m label the remaining parts. 7. Describe the roles of the following features involved in Eukaryotic transcription: TATA Binding Protein General Transcription Factors Polymerase II 8. In Eukaryotic transcription, which happens first? A. The General Transcription Factors are recruited, and the Preinitiation complex (PIC) is assembled. B. The TBP binds the promoter 9. Describe the carboxy terminal domain (CTD) of RNA polymerase II and two of its...
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