Which aspect of cell biology is NOT involved in the regulation of gene expression? Chromatin remodeling...
Which aspect of cell biology is NOT involved in the regulation of gene expression?
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Chromatin remodeling |
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The make-up of a promoter |
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Alternative splicing |
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The overall size of RNA polymerase |
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Presence of specific transcription factors |
Homework Answers
Chromatin remodeling is the modification of the chromatin such that it makes DNA more accessible to transcription factors, the make-up of promoter is essential for the binding of RNA Polymerase for transcription so this is involved in regulation of gene expression. Alternative splicing takes place after transcription and Transcription factors are obviously involved in gene expression.
So, The overall size of RNA polymerase is not involved in the regulation of gene expression.
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Which aspect of cell biology is NOT involved in the regulation
of gene expression?
Chromatin remodeling...
Describe in as detailed a way as possible how a chromatin remodeling complex regulates gene expression....
Describe in as detailed a way as possible how a chromatin remodeling complex regulates gene expression. Please describe how all of the following factors work together… The chromatin remodeling complex, The nucleosomes, The transcription factors, The TF binding site, The TATA box, The RNA polymerase
The following sentences describe chromatin structure and how altering chromatin structure can affect gene expression. Complete...
The following sentences describe chromatin structure and how altering chromatin structure can affect gene expression. Complete each sentence using the words provided.In some cells, DNA combines with proteins to form a substance calledThe lowest level of chromatin structure consists of DNA wrapped twice around a group of histones to form a(n)The formation of nucleosomes may block the binding of transcription factors and RNA polymerase II to theThe structure of chromatin can be modified by altering either the DNA or the...
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...
Which of the following statements about chromatin remodeling is incorrect? Select one: O a. Chromatin remodeling...
Which of the following statements about chromatin remodeling is incorrect? Select one: O a. Chromatin remodeling provides the transcription machinery with dynamic access to an otherwise tightly packaged genome. O b. Chromatin remodeling often involves histone modifications (e.g., methylation). O c. Eukaryotes use chromatin remodeling as a mechanism for epigenetic modifications. O d. Prokaryotes use chromatin remodeling to regulate operon activity. O e. Chromatin remodeling plays a central role in the regulation of gene expression.
What would happen to the expression of this gene if this cell did not have any...
What would happen to the expression of this gene if this cell
did not have any GAL4 protein and why?
What would happen to the expression of this gene if this cell
did not have any GAL80 protein and why?
What would happen to the expression of this gene if this cell
did not have any GAL3 protein and why?
Understanding regulation of transcription in eukaryotes. The images below depict how the expression of a gene required to break down...
Describe how the expression of this gene is regulated. Include the roles of all key players...
Describe how the expression of this gene is regulated. Include
the roles of all key players (GAL3, GAL4, GAL80, Gene promoter, RNA
polymerase, and transcription factors) illustrated.
Understanding regulation of transcription in eukaryotes. The images below depict how the expression of a gene required to break down lactose in yeast is regulated. The top image illustrates the key regulators of the process. The bottom two panels illustrate what happens in the presence and absence of galactose. Describe how the expression...
onaformation from a ee is used in the synthesisof 17 functional gene product. A) Geno B)...
onaformation from a ee is used in the synthesisof 17 functional gene product. A) Geno B) Gene regulation C) Epigenetics D) Imprinting E) Chromatin remodeling 18. A histone code is the: A) B) nucleotide sequence of an individual histone protein's gene. pattern of chemical modification of the DNA wrapped around an individual histone. C) D) E) pattern of chemical modification of the histone tails. number of amino acids in an individual histone that are methylated None of the other answer...
Refer to “Chromatin dynamics in the regulation of cell fate allocation during early embryogenesis” paper (found...
Refer to “Chromatin dynamics in the regulation of cell fate allocation during early embryogenesis” paper (found by googling), and answer the following questions. 1. At what specific stage do blastocysts start to exhibit asymmetry? Are cells at this stage still totipotent? Why or why not? 2. Which transcription factors does trophoectoderm express? 3. Which transcription factors do the inner cell mass express? 4. Of the inner cell mass transcription factors, which of these is a “maternal effect gene”? 5. When examining...
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 19 19. The following is an example of posttranslational regulation of gene expression: A. A....
QUESTION 19 19. The following is an example of posttranslational regulation of gene expression: A. A. Control of transcription by a repressor B. A. Control of transcription by an inducer. Oc. A. Alternative splicing of RNA. D. A. Controlling transport of mRNA from the nucleus. E. A. Phopsorylation of protein.
The following sentences describe chromatin structure and how altering chromatin structure can affect gene expression. Complete each sentence using the words provided.In some cells, DNA combines with proteins to form a substance calledThe lowest level of chromatin structure consists of DNA wrapped twice around a group of histones to form a(n)The formation of nucleosomes may block the binding of transcription factors and RNA polymerase II to theThe structure of chromatin can be modified by altering either the DNA or the...
Which of the following statements about chromatin remodeling is incorrect? Select one: O a. Chromatin remodeling provides the transcription machinery with dynamic access to an otherwise tightly packaged genome. O b. Chromatin remodeling often involves histone modifications (e.g., methylation). O c. Eukaryotes use chromatin remodeling as a mechanism for epigenetic modifications. O d. Prokaryotes use chromatin remodeling to regulate operon activity. O e. Chromatin remodeling plays a central role in the regulation of gene expression.
What would happen to the expression of this gene if this cell
did not have any GAL4 protein and why?
What would happen to the expression of this gene if this cell
did not have any GAL80 protein and why?
What would happen to the expression of this gene if this cell
did not have any GAL3 protein and why?
Understanding regulation of transcription in eukaryotes. The images below depict how the expression of a gene required to break down...
Describe how the expression of this gene is regulated. Include
the roles of all key players (GAL3, GAL4, GAL80, Gene promoter, RNA
polymerase, and transcription factors) illustrated.
Understanding regulation of transcription in eukaryotes. The images below depict how the expression of a gene required to break down lactose in yeast is regulated. The top image illustrates the key regulators of the process. The bottom two panels illustrate what happens in the presence and absence of galactose. Describe how the expression...
onaformation from a ee is used in the synthesisof 17 functional gene product. A) Geno B) Gene regulation C) Epigenetics D) Imprinting E) Chromatin remodeling 18. A histone code is the: A) B) nucleotide sequence of an individual histone protein's gene. pattern of chemical modification of the DNA wrapped around an individual histone. C) D) E) pattern of chemical modification of the histone tails. number of amino acids in an individual histone that are methylated None of the other answer...
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 19 19. The following is an example of posttranslational regulation of gene expression: A. A. Control of transcription by a repressor B. A. Control of transcription by an inducer. Oc. A. Alternative splicing of RNA. D. A. Controlling transport of mRNA from the nucleus. E. A. Phopsorylation of protein.
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