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 10PDQ
Explain how the addition of acetyl groups to histones leads to a weaker association of DNA in nucleosomes.
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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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- Using the figure below identify: What is the role of histones and nucleosomes? How the process of chromatin condensation is performed? What is a function of introns and exons? What is a role of mobile DNA elements? What is a meaning of simple-sequence DNA?arrow_forwardWhich histone is not a necessary component in the formation of nucleosornes?arrow_forwardExplain, and draw a diagram to show, how acetylation or phosphorylation could change the binding affinity between DNA and histones.arrow_forward
- You have discovered a new species of plant. You isolate chromatin from the plant and examines it with the electron microscope and see characteristic beads on a string structure. After addition of a small amount of nuclease, which cleaves the string into individual beads that each contain 280 bp of DNA. With more digestion a 120-bp fragment of DNA remains attached to a core of histone protein. Analysis of the histone core reveals histones in the following proportions: H2A 33.3% H2B 33.3% H3 0% [no histone H3 found] H4 33.3% Based on these observations, what conclusions can you make about the probable structure of the nucleosome in the chromatin of this plant? Be specific in describing the nature of the nucleosome: which histones form the core (), how many of each are present () and size in bp of core-DNA that envelopes it ().arrow_forwardDescribe the critical role that complementary base-pairing plays in replication, transcription, and translation.arrow_forwardDescribe how the acetylation of core histones may loosen chromatin packing.arrow_forward
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