Homework Answers
The main reason that a typical eukaryotic gene is able to respond to far greater variety of regulatory signals is because the transcription of a eukaryotic gene can be influenced by proteins that bind far from the promoter.
In eukaryotes, regulatory sequences in DNA that are close to a promoter and that an bind regulatory transcription factors.
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Which one of the following is the main reason that a typical eukaryotic gene is able...
QUESTION 25 The concentration of mitotic cyclin ____________________. A. is highest in G1 phase B. decreases...
QUESTION 25 The concentration of mitotic cyclin ____________________. A. is highest in G1 phase B. decreases at the end of M phase as a result of ubiquitylation and degradation C. decreases at the prophase D. is controlled by phosphorylation QUESTION 26 Which of the following statements about the ubiquitin-proteasome pathway is false? A. Proteases, which reside in the central cylinder of a proteasome, degrade the ubiquitin-modified protein. B. Ubiquitin is a small protein that is non-covalently attached to proteins to...
3. Prokaryotic and eukaryotic gene expression compared. Below is an incomplete table of prokaryotic and eukaryotic...
3. Prokaryotic and eukaryotic gene expression compared. Below is an incomplete table of prokaryotic and eukaryotic gene expression in comparison. Fill in the blank using PPT slides, notes and the textbook. Prokaryotic gene expression Eukaryotic gene expression Overview Steps Transcription and translation Yes Transcription and translation coupled? Gene structure No introns Epigenetic modification (chromosome remodeling) transcription, translation, RNA processing, protein processing Transcription in the nucleus and translation in the cytoplasm Interrupted gene with exons and introns RNAPI, II, III Which...
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...
O binding to estrogen and preventing it from binding to its receptor and exerung 7. Which...
O binding to estrogen and preventing it from binding to its receptor and exerung 7. Which of the following is NOT true regarding the differences between gene transcription in eukaryotes and prokaryotes? O Most eukaryotes use multiple transcription factors rather than single transcription factors O Most eukaryotes have regulatory sites that are close to their promoters. 0 Prokaryotic transcription factors usually interact directly with RNA polymerase while eukaryotic transcription factors do not. O Most prokaryotes transcribe multiple genes under the...
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...
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...
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...
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...
what are the other answers if any of the following key differences between prokaryotic and eukaryotic...
what are the other answers if any
of the following key differences between prokaryotic and eukaryotic transcription are TRUE? Check all that apply prokaryotic transcription occurs in the cytoplasm, while eukaryotic transcription occurs in the nucleus eukaryotic transcription is carried out by 1 RNA polymerase, while prokaryotic transcription is carried out by 3 different RNA polymerases eukaryotic transcripts are processed, while prokaryotic transcripts are translated while transcription is still occurring prokaryotes have sigma factors for specificity of binding whereas eukaryotes...
region is a DNA sequence that regulates transcription. Within a gene, a region is a DNA...
region is a DNA sequence that regulates transcription. Within a gene, a region is a DNA sequence that encodes RNA and a o coding, barcoding o control, coding o noncoding, control o coding, control During transcription, the DNA template is read in the ___direction. o 3 to 5 oC to N terminal ON to C terminal 0 5' to 3' For genes encoding protein, which of the following is the eukaryotic consensus sequence of the promoter? ATAT o GCGC CGCG...
3. Prokaryotic and eukaryotic gene expression compared. Below is an incomplete table of prokaryotic and eukaryotic gene expression in comparison. Fill in the blank using PPT slides, notes and the textbook. Prokaryotic gene expression Eukaryotic gene expression Overview Steps Transcription and translation Yes Transcription and translation coupled? Gene structure No introns Epigenetic modification (chromosome remodeling) transcription, translation, RNA processing, protein processing Transcription in the nucleus and translation in the cytoplasm Interrupted gene with exons and introns RNAPI, II, III Which...
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...
O binding to estrogen and preventing it from binding to its receptor and exerung 7. Which of the following is NOT true regarding the differences between gene transcription in eukaryotes and prokaryotes? O Most eukaryotes use multiple transcription factors rather than single transcription factors O Most eukaryotes have regulatory sites that are close to their promoters. 0 Prokaryotic transcription factors usually interact directly with RNA polymerase while eukaryotic transcription factors do not. O Most prokaryotes transcribe multiple genes under the...
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...
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...
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...
what are the other answers if any
of the following key differences between prokaryotic and eukaryotic transcription are TRUE? Check all that apply prokaryotic transcription occurs in the cytoplasm, while eukaryotic transcription occurs in the nucleus eukaryotic transcription is carried out by 1 RNA polymerase, while prokaryotic transcription is carried out by 3 different RNA polymerases eukaryotic transcripts are processed, while prokaryotic transcripts are translated while transcription is still occurring prokaryotes have sigma factors for specificity of binding whereas eukaryotes...
region is a DNA sequence that regulates transcription. Within a gene, a region is a DNA sequence that encodes RNA and a o coding, barcoding o control, coding o noncoding, control o coding, control During transcription, the DNA template is read in the ___direction. o 3 to 5 oC to N terminal ON to C terminal 0 5' to 3' For genes encoding protein, which of the following is the eukaryotic consensus sequence of the promoter? ATAT o GCGC CGCG...
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