Homework Answers
Regulation of gene expression by eukaryotes is more complicated than in prokaryotes. the promoter region contains proximal regulatory sequences that are called Cis-regulatory elements. these proximal regulatory elements bind trans-acting proteins that are called trans-acting factors.
explanation
Trans-acting factors are typically regarded as proteins. They bind to cis-acting elements for the regulation of gene expression. Cis-regulatory elements are regular binding sites for just one or multiple trans-acting factors.
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QUESTION 9 Regulation of gene expression by eukaryotes is more complicated that in prokaryotes. The promoter...
QUESTION 9 Regulation of gene expression by eukaryotes is more complicated that in prokaryotes. The promoter...
QUESTION 9 Regulation of gene expression by eukaryotes is more complicated that in prokaryotes. The promoter region contains proximal regulatory sequences that are called _regulatory elements. These proximal regulatory elements bind trans-acting proteins that are called __factors.
What gene regulation mechanism do eukaryotes share with prokaryotes? OA) Varying the promoter sequence to vary...
What gene regulation mechanism do eukaryotes share with prokaryotes? OA) Varying the promoter sequence to vary the binding affinity of general transcription factors. OB) Regulating the expression from a single gene with several specific transcription factors. C) Controlling gene expression by restricting access to the promoter. D) Driving the expression of several genes with one promoter. OE) Controlling the expression from a single gene with several general transcription factors.
There are some significant differences in how transcription is regulated in prokaryotes like E. coli versus...
There are some significant differences in how transcription is regulated in prokaryotes like E. coli versus eukaryotes. Which of the following statements concerning gene regulation is TRUE only in eukaryotes? (CHOOSE ALL THAT APPLY AND NO INCORRECT ANSWERS) The promoter of a gene can act in a position and distance-independent manner. The genes involved in one process are usually situated next to each other in the genome and are transcribed in one mRNA. The default state of gene transcription is...
What are transcription factors? regulatory DNA sequences that bind to the promoter region of a gene...
What are transcription factors? regulatory DNA sequences that bind to the promoter region of a gene regulatory DNA sequences that bind to a protein regulatory motifs that bind to the promoter region of a gene regulatory proteins that bind to specific DNA sequences
Which of the following is not true regarding regulation of gene expression in eukaryotes? In eukaryotic...
Which of the following is not true regarding regulation of gene expression in eukaryotes? In eukaryotic cells, transcriptional activators often work by recruiting the transcriptional macinery to gene promoters DNA methylation is an example of an epigenetic mark that can be inherited Acetylation of histones can result in a more open chromatin structure to allow transcription to occur Different genes can be turned off or on between different organs or stages of development Transcription factor DNA sequences are bound by...
Transcriptional control of gene regulation is common in both prokaryotes and eukaryotes. Which of the following is not true? Both prokaryotes and eukaryotes: A. exhibit both positive and negative cont...
Transcriptional control of gene regulation is common in both prokaryotes and eukaryotes. Which of the following is not true? Both prokaryotes and eukaryotes: A. exhibit both positive and negative control. B. have repressors that impact expression. C. often requires interactions with DNA that is not proximal to structural genes. D. have genes that are closely related in function located proximally on a chromosome
Which of the following mechanisms to regulate gene expression are observed in eukaryotes, but are not...
Which of the following mechanisms to regulate gene expression are observed in eukaryotes, but are not generally observed in prokaryotes? Choose all that apply. Genes are grouped into operons, which allows transcriptional regulation to turn them all on together. RNA silencing selectively targets mRNA and destroys it to prevent further translation. Proteins can be activated or deactivated as a form of post-translational regulation. Epigenetic regulation can open or condense sectiosn of a chromosome, regulating which genes are transcribed. Regulatory proteins...
Q1)Which of the following is not involved in control of gene expression in eukaryotes? A. Change...
Q1)Which of the following is not involved in control of gene expression in eukaryotes? A. Change to DNA sequence. B. Alternative splicing. C. Export of mRNA from the nucleus. D. Transcriptional repression. E. Destruction of mRNA Q2) Trans-acting regulators of gene expression include? A. promoters. B. histone deacetylases C. introns D. silencers E. the TATA box. Q3) Gene regulation in eukaryotes often involves which of the following, which are not also used by prokaryotes? A.RNA polymerase B.Transcription factors C.Histone modification...
Detailed explanation plz. 4. In class, we discussed that regulation of gene expression in eukaryotes and...
Detailed explanation plz.
4. In class, we discussed that regulation of gene expression in eukaryotes and prokaryotes have some similarities and some differences. I want you to focus on what's different between these two type of cells: name TWO mechanisms of control of gene expression that are only used by eukaryotes and discuss why each of those mechanisms wouldn't be possible in prokaryotes. [4 pts]
Regulation of Gene Expression in Eukaryotes In all organisms, certain genes are expressed at any given...
Regulation of Gene Expression in Eukaryotes In all organisms, certain genes are expressed at any given time while other genes are not. Both prokaryotes and eukaryotes regulate gene expression at the transcription stage. However the greater complexity of eukaryotic cells makes it possible for gene expression to be regulated at many other stages as well. The diagram below shows different stages at which gene expression may be regulated in eukaryotes. nucleus chro modifica anscription RNA processing cytoplasm degradation protein processing...
QUESTION 9 Regulation of gene expression by eukaryotes is more complicated that in prokaryotes. The promoter region contains proximal regulatory sequences that are called _regulatory elements. These proximal regulatory elements bind trans-acting proteins that are called __factors.
What gene regulation mechanism do eukaryotes share with prokaryotes? OA) Varying the promoter sequence to vary the binding affinity of general transcription factors. OB) Regulating the expression from a single gene with several specific transcription factors. C) Controlling gene expression by restricting access to the promoter. D) Driving the expression of several genes with one promoter. OE) Controlling the expression from a single gene with several general transcription factors.
There are some significant differences in how transcription is regulated in prokaryotes like E. coli versus eukaryotes. Which of the following statements concerning gene regulation is TRUE only in eukaryotes? (CHOOSE ALL THAT APPLY AND NO INCORRECT ANSWERS) The promoter of a gene can act in a position and distance-independent manner. The genes involved in one process are usually situated next to each other in the genome and are transcribed in one mRNA. The default state of gene transcription is...
What are transcription factors? regulatory DNA sequences that bind to the promoter region of a gene regulatory DNA sequences that bind to a protein regulatory motifs that bind to the promoter region of a gene regulatory proteins that bind to specific DNA sequences
Detailed explanation plz.
4. In class, we discussed that regulation of gene expression in eukaryotes and prokaryotes have some similarities and some differences. I want you to focus on what's different between these two type of cells: name TWO mechanisms of control of gene expression that are only used by eukaryotes and discuss why each of those mechanisms wouldn't be possible in prokaryotes. [4 pts]
Regulation of Gene Expression in Eukaryotes In all organisms, certain genes are expressed at any given time while other genes are not. Both prokaryotes and eukaryotes regulate gene expression at the transcription stage. However the greater complexity of eukaryotic cells makes it possible for gene expression to be regulated at many other stages as well. The diagram below shows different stages at which gene expression may be regulated in eukaryotes. nucleus chro modifica anscription RNA processing cytoplasm degradation protein processing...
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