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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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Textbook Question
Chapter 13, Problem 3P
What is meant by the term chromatin remodeling? Describe the importance of this process to transcription.
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What is the production of RNA called and what is the enzyme that catalyzes the process?What are the similarities and differences between the transcription process and the repli-cation processes?Concerning their biological function what is the difference between DNA and RNA? Is there any situation in which DNA is made based on a RNA template? If there is,explain with an example how it occurs and state the enzyme involved?What is the difference between plasma membrane and cell wall?
Is chromatin structure is altered in transcription? Explain.
Euchromatin is said to be transcriptionally-active while Heterochromatin is said to be transcriptionally-inactive. What does this mean?
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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- Transcriptionally active chromatin are generally found near the outer regions of the nucleus near the membrane. true or false?arrow_forwardIn eukaryotic transcription, what is the function of a histone chaperone? Of a chromatin remodeling complex? Of Mediator?arrow_forwardThe interphase nucleus is a highly structured organelle with chromosome territories, interchromatin compartments, and transcription factories. In cultured human cells, researchers have identified approximately 8000 transcription factories per cell, each containing an average of eight tightly associated RNAP II molecules actively transcribing RNA. If each RNAP II molecule is transcribing a different gene, how might such a transcription factory appear? Provide a simple diagram that shows eight different genes being transcribed in a transcription factory and include the promoters, structural genes, and nascent transcripts in your presentation.arrow_forward
- Give two reasons why both the strands are not copied during transcription?arrow_forwardWhat kind of changes Transcription Requires in Chromatin Structure and Nucleosome Position?arrow_forwardChromatin remodeling by the SWI /SNF complex requires hydrolysis of ATP. What purpose does this serve?arrow_forward
- What does “Universality and Degeneracy” of the Genetic Code mean? State the significance of both the code’s Universality and Degeneracy.arrow_forwardWhy Transcription Requires Changes inChromatin Structure and NucleosomePosition?arrow_forwardWhat are the role of transcription proteins? Explain briefly at your own wordsarrow_forward
- Name four major classes of DNA-binding proteins that are responsible for controlling transcription, and describe their structural features.arrow_forwardConsider the Rho-dependent terminator sequence 5’CCCAGCCCGCCUAAUGAGCGGCCUUUUUUUU-3’. What affect would a point mutation at any one of the bolded and underlined nucleotides disrupt termination of transcription? Group of answer choices Mutation in one of these nucleotides would disrupt base pairing, preventing the formation of the hairpin and disrupting termination. Mutation in one of these nucleotides would have no affect on base pairing, so the termination hairpin is formed and termination proceeds. Mutation in one of these nucleotides would not disrupt base pairing, but would prevent the formation of the hairpin and disrupt termination. Mutation in one of these nucleotides would disrupt base pairing, but not affect the formation of the hairpin and termination proceeds.arrow_forwardWhat is the difference between chromatin-remodeling and histone modification?arrow_forward
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