GENETIC ANALYSIS: AN INTEG. APP. W/MAS
2nd Edition
ISBN: 9781323142790
Author: Sanders
Publisher: Pearson Custom Publishing
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Textbook Question
Chapter 15, Problem 8P
Most biologists argue that the regulation of gene expression is considerably more complex in eukaryotes than in bacteria. List and describe the four factors that in your view make the largest contribution to this perception.
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Transcriptional repressor proteins (e.g., lac repressor), antisense RNA, and feedback inhibition are three different mechanisms that turn off the expression of genes and gene products. Which of these three mechanisms will be most effective in each of the following situations?
A. Shutting down the synthesis of a polypeptide
B. Shutting down the synthesis of mRNA
C. Shutting off the function of a protein For your answers to parts A–C that list more than one mechanism, which mechanism will be the fastest or the most efficient?
Provide 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)
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 15 Solutions
GENETIC ANALYSIS: AN INTEG. APP. W/MAS
Ch. 15 - 13.1 Devoting a few sentences to each, describes...Ch. 15 - 13.2 Describe and give an example (real or...Ch. 15 - What is meant by the term chromatin remodeling?...Ch. 15 - 13.4 What general role does acetylation of histone...Ch. 15 - 13.5 Describe the roles of writers, readers, and...Ch. 15 - Outline the roles of RNA in eukaryotic gene...Ch. 15 - 13.7 What are the roles of the Polycomb and...Ch. 15 - Most biologists argue that the regulation of gene...Ch. 15 - Compare and contrast the transcriptional...Ch. 15 - The term heterochromatin refers to heavily...
Ch. 15 - 13.11 Compare and contrast promoters and enhancers...Ch. 15 - 13.12 What are the different chromatin...Ch. 15 - 13.13 Define epigenetics, and provide examples...Ch. 15 - What is one proposed role for lncRNAs?Ch. 15 - 13.17 A hereditary disease is inherited as an...Ch. 15 - Prob. 16PCh. 15 - A gene expressed in long muscle of the mouse is...Ch. 15 - The consequences of four deletions from the region...Ch. 15 - Provide a description of the mechanistic roles of...Ch. 15 - 13.20 A muscle enzyme called ME is produced by...Ch. 15 - 21. A muscle protein in mouse is produced through...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Help me pleasearrow_forwardYou are teaching a class on the regulation of eukaryotic gene expression. In order to demonstrate this complex process, you decide to draw for the class a typical eukaryotic gene/transcription unit with its major regions, such as the promoter regions, where the RNA polymerase II and transcription factors would bind From the list given - choose all components that you think are part of a typical eukaryotic gene From the list given - choose all the regulatory sequences that you think would control the expression of this eukaryotic gene From the list given - choose all of the regulatory proteins that would bind the eukaryotic gene to control its expressionarrow_forwardMany aspects of gene function can be nicely explained with the one-gene-one-enzyme hypothesis, which states that a gene controls the production of an enzyme. Which of the following findings about gene expression, though, requires an expansion of this simple concept? Choose an answer below: Non-enzyme proteins are made from genes too. Some genes code for RNA molecules only. Enzymes composed of different polypeptides are coded for by more than one gene. a and c, but not b a, b, and carrow_forward
- 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.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_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
- Many aspects of gene function can be nicely explained with the one- gene-one-enzyme hypothesis, which states that a gene controls the production of an enzyme. Which of the following findings about gene expression, though, requires an expansion of this simple concept? Non-enzyme proteins are made from genes too. Some genes code for RNA molecules only. Enzymes composed of different polypeptides are coded for by more than one gene. a and c, but not b a, b, and carrow_forwardWe know that eukaryote gene regulation can occur at any point in the process of gene expression. (a) What is the final step where gene expression control may occur in the process of protein expression ? (b) Is this a cellular energy efficient or inefficient mechanism of gene regulation? Explain.arrow_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
- 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_forwardWhich 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 controlsarrow_forwardSelect four items that are involved in or related to transcriptional control of gene expression (in either pro- or eu-karyotes). -Slide nucleosomes around -control membrane hydrophobicity -methylate DNA -protein denaturation -TFIID and its friends -control mRNA stability -control protein stability -operator/repressor -dynamic instabilityarrow_forward
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