Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 5, Problem 20RQ
Summary Introduction
To describe: The regulation of gene expression in three ways in eukaryotes.
Introduction: DNA is known as the blueprint of life as it controls gene expression. The genetic information of DNA is based on the
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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.
Discuss all the different ways and mechanisms that eukaryotes use to regulate gene expression.
Name four control points of regulation of eukaryotic gene expression, and where they occur in the cell.
Chapter 5 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 5 - What is the relationship between homologous...Ch. 5 - Describe or diagram the sequence of events in...Ch. 5 - What are the designations of the sex chromosomes...Ch. 5 - Prob. 4RQCh. 5 - Diagram by Punnett square a cross between...Ch. 5 - Prob. 6RQCh. 5 - Assuming brown eyes (B) are dominant over blue...Ch. 5 - Prob. 8RQCh. 5 - Prob. 9RQCh. 5 - Prob. 10RQ
Ch. 5 - Assume that right-handedness (R) is genetically...Ch. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Distinguish the following: euploidy, aneuploidy,...Ch. 5 - Prob. 15RQCh. 5 - Prob. 16RQCh. 5 - Prob. 17RQCh. 5 - Prob. 18RQCh. 5 - Prob. 19RQCh. 5 - Prob. 20RQCh. 5 - Prob. 21RQCh. 5 - Why do many mutations have no detectable effects...Ch. 5 - Distinguish between proto-oncogene and oncogene....Ch. 5 - Prob. 24RQCh. 5 - Outline the essential steps in the polymerase...Ch. 5 - Prob. 26RQCh. 5 - Prob. 27RQCh. 5 - Prob. 1FFT
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- 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_forwardDescribe 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 controlarrow_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
- In 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_forwardThere are similarities and differences during regulation of gene expression in both prokaryotes and eukaryotes. Promoters, transcription factors and RNA polymerase are essential elements in transcription but their properties and function may differ.a) Predict the outcome or consequences of mRNA transcription by RNA polymerase II in eukaryote without the presence of transcription factors (TF).arrow_forwardDescribe three types of post-transcriptional regulation of protein coding genes.arrow_forward
- 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?arrow_forwardEukaryotes have a multitude of ways of regulating gene expression. Why are all these regulatory mechanisms necessary to the functioning of a eukaryotic organism?arrow_forwarda) Define the term gene expression b) State 4 difference between prokaryotes and eukaryotes gene expression c) state the importance of regulating gene expressionarrow_forward
- We 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_forwardRegarding eukaryotic genes, it is correct to state that: a) Distal enhancer-like elements decrease the intensity of gene transcription activation b) Mutations in intronic regions of a gene can alter the levels of its corresponding protein c) They are regulated only by promoter regions, being activated or repressed by the presence of transcription factors d) The junctions of exons and introns are recognized by splicing factors, which guarantee the production of the same mRNA regardless of cell type. e) Activator and repressor proteins bind to the coding region of genes, regulating the intensity of their transcriptionarrow_forwardDescribe the role of transcription elements in regulation of gene expression in eukaryotic cells.arrow_forward
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QCE Biology: Introduction to Gene Expression; Author: Atomi;https://www.youtube.com/watch?v=a7hydUtCIJk;License: Standard YouTube License, CC-BY