EBK CONCEPTS OF GENETICS
12th Edition
ISBN: 9780134818979
Author: Killian
Publisher: YUZU
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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
EBK CONCEPTS OF GENETICS
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_forwardOutline the three stages of transcription and the role of RNA polymerase in this process. How accurate is transcription? How does transcription differ in prokaryotes and eukaryotes?arrow_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
- For eukaryotes, how do mediators, gene-specific transcription factors (activators/repressors), general transcription factors, and RNA polymerase interact? How do they initiate transcription?arrow_forwardProvide a detailed description of gene expression and control in prokaryotes. Provide a detailed description of proteins critical for this process. (please hand draw a figure showing gene expression and control in prokaryotes and the proteins involved)arrow_forwardThe expression of genes in bacterial cells can be regulated on different levels in the production of the resulting protein.(a) Name the different levels of gene regulation in prokaryotes. (b) Discuss the different mechanisms used in each of these levels.arrow_forward
- List 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_forwardWhat are the role of transcription proteins? Explain briefly at your own wordsarrow_forward
- What 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_forwardExplain 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_forwardChoose all of the statements that describe the benefits of combinatorial control of transcription in a eukaryotic multi-cellular organism. An operon is able to initiate transcription. RNA polymerase has selective access to specific genes for tissue specific effects. RNA reverts to DNA prior to transcription. mRNA synthesis occurs at an accelerated rate.arrow_forward
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