Biology
11th Edition
ISBN: 9781259188138
Author: Peter H Raven, George B Johnson Professor, Kenneth A. Mason Dr. Ph.D., Jonathan Losos Dr., Susan Singer
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 16, Problem 3S
What forms of eukaryotic control of gene expression are unique to eukaryotes? Could prokaryotes use the mechanisms, or are they due to differences in these cell types?
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i)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?
Which of the following is not a general description of the gene expression regulation mechanisms that operate in eukaryotic organisms?
transcriptional-level control
processing-level control
translational level-control
replication-level controls
You are interested in studying a novel gene that appears to be involved in cancer. There is no information about the function of this gene. What would you do to obtain the cDNA for this gene? How would you express this gene and what expression systems might you utilize to study its function and why? How would determine the subcellular localization of this gene in eukaryotic cells? What are alternative methods in case one doesn't work? How would you purify and determine the 3-dimensional structure of this protein?
Chapter 16 Solutions
Biology
Ch. 16 - In prokaryotes, control of gene expression usually...Ch. 16 - Prob. 2UCh. 16 - In E. coli, induction in the lac operon and...Ch. 16 - The lac operon is controlled by two main proteins....Ch. 16 - In eukaryotes, binding of RNA polymerase to a...Ch. 16 - In eukaryotes, the regulation of gene expression...Ch. 16 - In the trp operon, the repressor binds to DNA a....Ch. 16 - Prob. 1ACh. 16 - Specific transcription factors in eukaryotes...Ch. 16 - Repression in the trp operon and induction in the...
Ch. 16 - Regulation by small RNAs and alternative splicing...Ch. 16 - Eukaryotic mRNAs differ from prokaryotic mRNAs in...Ch. 16 - In the cell cycle, cyclin proteins are produced in...Ch. 16 - A mechanism of control in E. coli not discussed in...Ch. 16 - You have isolated a series of mutants affecting...Ch. 16 - Examples of positive and negative control of...Ch. 16 - What forms of eukaryotic control of gene...Ch. 16 - The number and type of proteins found in a cell...
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- Put the following processes in order of their occurrence during expression of a eukaryotic gene: a. mRNA processing c. transcription b. translation d. RNA leaves nucleusarrow_forwardA) 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.arrow_forwardIn a eukaryotic cell, four general types of RNA molecules are involved in gene expression. a) What are these four types of RNA? 2. b) Which is not involved in gene expression in prokaryotic cells? Why not?arrow_forward
- 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.arrow_forward1arrow_forwardCompare 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.arrow_forward
- Two component systems are common in bacteria to regulate the expression of specific genes in response to environmental signals. Which of the following can be said of two component systems?arrow_forwardWhich of the following methods is utilized by eukaryotes to control their gene expression that is different from the type of control found in bacteria? a) control of chromatic remodeling. b) control of RNA splicing. c) transcriptional control. d) control of both RNA splicing and chromatin remodeling.arrow_forwardGiven the following schematic for a gene and its associated regulatory regions, answer the following questions by placing the correct letter in the provided blanks please put in the correct letter for the questions What region would provide cell type-specific expression of genes? region What site would significantly increase gene expression rates? = region What region or regions of this gene’s coding sequence are expressed as amino acids = regionarrow_forward
- Which of the following best explains how the expression of a eukaryotic gene encoding a protein will differ if the gene is expressed in a prokaryotic cell instead of in a eukaryotic cell? No transcript will be made, because eukaryotic DNA cannot be transcribed by prokaryotic RNA polymerase. The protein will be made but will not function, because prokaryotes cannot remove introns. The protein will not be made, because prokaryotes lack the ribosomes necessary for translation. The protein will have a different sequence of amino acids, because prokaryotes use a different genetic code.arrow_forwardCreate a Venn diagram to compare and contrast the process of gene expression in Bacteria versus eukaryotes. Remember that “gene expression” can include any part of transcription or translation. Try to be as thorough as you can about what aspects of this process are similar between the two taxa, and what characteristics are distinct to only Bacteria or eukaryotes. Plase include a minimum of 15 items in the Venn diagram.arrow_forwardWith the aid of diagrams, and using specific examples, describe how gene expression is regulated in prokaryotes.arrow_forward
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