Concepts of Genetics (12th Edition)
12th Edition
ISBN: 9780134604718
Author: William S. Klug, Michael R. Cummings, Charlotte A. Spencer, Michael A. Palladino, Darrell Killian
Publisher: PEARSON
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Chapter 17, Problem 14PDQ
Compare the control of gene regulation in eukaryotes and bacteria at the level of initiation of transcription. How do the regulatory mechanisms work? What are the similarities and differences in these two types of organisms in terms of the specific components of the regulatory mechanisms?
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Compare the control of gene regulation in eukaryotes and prokaryotes at the level of initiation of transcription. How do the regulatory mechanisms work? What are the similarities and differences in these two types of organisms in terms of the specific components of the regulatory mechanisms? Address how the differences or similarities relate to the biological context of the control of gene expression.
A) List the steps for gene expression in prokaryotes and eukaryotes. B) Relate the differences in gene expression between prokaryotes and eukaryotes in gene expression regulation and explain what causes those differences.
Describe and give an example of each of the following levels of gene expression control in eukaryotes:
a) epigenetic control
b) transcriptional control
c) post-transcriptional control
d) translational control
e) post-translational control
Chapter 17 Solutions
Concepts of Genetics (12th Edition)
Ch. 17 - Cancer cells often have abnormal patterns of...Ch. 17 - The hormone estrogen converts the estrogen...Ch. 17 - Each year in the United States, there are over...Ch. 17 - Prob. 2CSCh. 17 - Each year in the United States, there are over...Ch. 17 - HOW DO WE KNOW? In this chapter, we focused on how...Ch. 17 - CONCEPT QUESTION Review the Chapter Concepts list...Ch. 17 - What features of eukaryotes provide additional...Ch. 17 - Provide a definition of chromatin remodeling, and...Ch. 17 - Describe the organization of the interphase...
Ch. 17 - A number of experiments have demonstrated that...Ch. 17 - Provide a brief description of two different types...Ch. 17 - Present an overview of the manner in which...Ch. 17 - Prob. 9PDQCh. 17 - Explain how the addition of acetyl groups to...Ch. 17 - Distinguish between the cis-acting regulatory...Ch. 17 - Prob. 12PDQCh. 17 - Describe the manner in which activators and...Ch. 17 - Compare the control of gene regulation in...Ch. 17 - Many promoter regions contain CAAT boxes...Ch. 17 - Prob. 16PDQCh. 17 - Prob. 17PDQCh. 17 - Many transcriptional activators are proteins with...Ch. 17 - Prob. 19PDQCh. 17 - DNA supercoiling, which occurs when coiling...Ch. 17 - Prob. 21ESPCh. 17 - Prob. 22ESPCh. 17 - Because the degree of DNA methylation appears to...Ch. 17 - A particular type of anemia in humans, called...Ch. 17 - Regulation of the lac operon in E. coli (see...Ch. 17 - DNA methylation is commonly associated with a...Ch. 17 - During an examination of the genomic sequences...Ch. 17 - Prob. 28ESPCh. 17 - Although a single activator may bind many...Ch. 17 - Hereditary spherocytosis (HS) is a disorder...Ch. 17 - Transcription factors play key roles in the...
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- Contrast the characteristics of prokaryotic and eukaryotic genes. What are the implications for transcription, protein translation and gene regulation?arrow_forwardSelect the following descriptions of gene transcription regulation in eukaryotes that are post-translational: Select 2 correct answer(s) O A) Length of poly A tail B) Chromatin modification C) Destruction of protein before/after modifications by a proteosome U D) Alternative splicing of mRNA molecule E) Acetylation of histone tails F) Binding of activators to enhancers regions on the DNA G) destruction of mRNA by RNA interference O H) DNA methylation UI) Addition of functional groups to a fully formed proteinarrow_forwardi)Describe attenuation control and how it is used to regulate gene expression. ii)Give a specific example of how this works? iii)Could this be used in eukaryotes? why ?or why not?arrow_forward
- Microbiologists describe the processes of transcription and translation as “coupled” in bacteria. This term indicates that bacterial mRNA can be undergoing transcription at the same moment it is also undergoing translation. How is coupling possible in bacteria? Is coupling of transcription and translation possible in single-celled eukaryotes, such as yeast? Why or why not?arrow_forwardList some important differences between bacterial and eukaryotic cells that affect the way in which genes are regulated.arrow_forwardWhat are the functions of transcriptional activator proteins and repressor proteins? Explain how they work at the molecular level.arrow_forward
- What are the role of transcription proteins? Explain briefly at your own wordsarrow_forwardSelect the following descriptions of gene transcription regulation in eukaryotes that are post-transcriptional/pre-translational: Select 3 correct answer(s) A) Acetylation of histone tails B) Length of poly A tail C) Alternative splicing of mRNA molecule D) Binding of activators to enhancers regions on the DNA E) Addition of functional groups to a fully formed protein F) DNA methylation G) Chromatin modification H) Destruction of protein before/after modifications by a proteosome I) destruction of mRNA by RNA interferencearrow_forwardWhat are the similarities and differences in the initiation of gene transcription in bacteria and eukaryotes?arrow_forward
- Explain how the expression of a single gene can be quickly,efficiently,and specifically shut down at the transcriptional,posttranscriptional,and posttranslational stages through thecoordinated expression of a transcriptional repressor, an miRNA,and a ubiquitin ligase.arrow_forwardWhat are general transcription factors? When do you expect to find them? What is a cis acting regulatory sequence? Where are they located in comparison with the gene they are regulating?arrow_forwardDescribe events associated with the process of transcription in eukaryotic cells. How is the process different in prokaryotic cells?arrow_forward
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