Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
3rd Edition
ISBN: 9780135564172
Author: Mark Sanders, John Bowman
Publisher: PEARSON+
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Chapter 13, Problem 16P
How does dsRNA lead to posttranscriptional gene silencing?
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Chapter 13 Solutions
Pearson eText Genetic Analysis: An Integrated Approach -- Instant Access (Pearson+)
Ch. 13 - 13.1 Devoting a few sentences to each, describes...Ch. 13 - 13.2 Describe and give an example (real or...Ch. 13 - What is meant by the term chromatin remodeling?...Ch. 13 - 13.4 What general role does acetylation of histone...Ch. 13 - 13.5 Describe the roles of writers, readers, and...Ch. 13 - Outline the roles of RNA in eukaryotic gene...Ch. 13 - 13.7 What are the roles of the Polycomb and...Ch. 13 - Most biologists argue that the regulation of gene...Ch. 13 - Compare and contrast the transcriptional...Ch. 13 - The term heterochromatin refers to heavily...
Ch. 13 - 13.11 Compare and contrast promoters and enhancers...Ch. 13 - 13.12 What are the different chromatin...Ch. 13 - 13.13 Define epigenetics, and provide examples...Ch. 13 - What is one proposed role for lncRNAs?Ch. 13 - 13.15 What are the sources of dsRNA? Diagram the...Ch. 13 - How does dsRNA lead to posttranscriptional gene...Ch. 13 - 13.17 A hereditary disease is inherited as an...Ch. 13 - Prob. 18PCh. 13 - Prob. 19PCh. 13 - 13.20 A muscle enzyme called ME is produced by...Ch. 13 - Using the components in the accompanying diagram,...Ch. 13 - 13.22 The majority of this chapter focused on gene...
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- Describe what would happen to the lac operon in a low-lactose environment and in a high lactose environment. a) How will each of these environments affect gene expression? b) What would happen to the repressor in each case? c) How will each of these environments affect RNA polymerase?arrow_forwardWhat is a forward genetic screen?arrow_forwardWhat type of RNAi silencing targets DNA? What mechanism does this type of RNAi use? Group of answer choices siRNA; results in methylation of DNA miRNA; results in methylation of the DNA siRNA; results in degradation of DNA asRNA; results in degradation of the DNA asRNA; results in methylation of the DNA miRNA; results in degradation of the DNAarrow_forward
- How was it experimentally proven that the spacer sequences in the CRISPR locus were the elements responsible for resistance to phage infection?arrow_forwardWhy are specific RNA-primers needed? How are they created, used, and deleted?arrow_forwardWhat is the advantage of using stem cells for genetherapy or gene editing?arrow_forward
- Present an overview of RNA interference (RNAi). How does the silencing process begin, and what major components participate?arrow_forwardGene expression in bacteria is controlled by the operon model. a) Why is the operon model important? b) Why is the trp operon known as a repressible operon?arrow_forwardWhat is the difference between nonhomologous end-joining (NHEJ) and homology-directed repair (HDR) in the context of genome editing?arrow_forward
- What is RNA Silencing? How is this strategy used to create pest – resistant plants?arrow_forwardHow is RNA silencing inherited or passed down through generations? What is the nature of RNA silencing "tag" or "marker" that turns genes off or on?arrow_forwardWhich E. coli enzyme is the main replicative polymerase in bacteria that synthesizes the genome?arrow_forward
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