Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 17, Problem 14CONQ
Outline the steps that occur when piRISCs silence transposable elements by repressing transcription and by directly inhibiting TE RNAs. What is the role of piRNAs in this process?
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Chapter 17 Solutions
Genetics: Analysis and Principles
Ch. 17.1 - Which of the following can bind to ncRNAs? a. DNA...Ch. 17.1 - 2. When an ncRNA functions as a decoy, it
a....Ch. 17.1 - Prob. 3COMQCh. 17.2 - 1. Which of the following functions does HOTAIR...Ch. 17.3 - 1. The process of RNA interference may lead to
a....Ch. 17.3 - 2. In catalyzing the methylation or...Ch. 17.4 - 1. Which of the following is a function of SRP?...Ch. 17.5 - 1. Which of the following components are needed...Ch. 17.5 - 2. In the CRISPR-Cas system, what does the...Ch. 17.5 - Which of the following is a function of the...
Ch. 17.6 - Prob. 1COMQCh. 17.6 - Let's suppose that the overexpression of a...Ch. 17 - 1. List and briefly describe four types of...Ch. 17 - 2. An ncRNA may have the following functions:...Ch. 17 - 3. What is meant by the term RNA world? Describe...Ch. 17 - Explain how HOTAIR plays a role in the...Ch. 17 - What is the phenomenon of RNA interference (RNAi)?...Ch. 17 - With regard to RNAi, what are three possible...Ch. 17 - 7. What is the difference between an miRNA and an...Ch. 17 - Together with a specific set of proteins, snoRNAs...Ch. 17 - Describe the structure of SRP in eukaryotes, and...Ch. 17 - Look at Figure 17.6 and predict what would happen...Ch. 17 - Compare and contrast the roles of crRNA and...Ch. 17 - In the CRISPR-Cas system, does the tracrRNA act as...Ch. 17 - Prob. 13CONQCh. 17 - Outline the steps that occur when piRISCs silence...Ch. 17 - List five types of cancer in which ncRNAs can be...Ch. 17 - Prob. 16CONQCh. 17 - A protein called trypsin, which plays a role in...Ch. 17 - Prob. 2EQCh. 17 - Prob. 3EQCh. 17 - As described in Chapter 21, the CRISPR-Cas system...Ch. 17 - Prob. 5EQCh. 17 - Prob. 6EQCh. 17 - Prob. 1QSDCCh. 17 - Go to the PubMed website and do a search using the...
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- Please explain the critical role of TFIID in the initiation of eucaryotic transcription?arrow_forwardDescribe the three models for RNAP active-center translocation during transcription initiation?arrow_forwardIf all members of a transposable element family can besilenced by dsRNA synthesized from a single familymember, how is it possible for one element family (likeTc1) to have 32 copies in the C. elegans genome whileanother family (Tc2) has fewer than 5 copies?arrow_forward
- Please explain the critical role of TFIID in the initiation of eukaryotic transcription?arrow_forwardRNA knockdown has become a powerful tool in the arsenal of methods used to repress gene expression. Briefly describe how gene expression can be knocked down. What effect would introducing siRNAs to TSC1 have on human cells?arrow_forwardIdentify three key ways that TrXG genes promote transcription with respect to: Mediator Complex Structurearrow_forward
- Explain the function of 16S 1RNA during initiation of translation in prokaryotes.arrow_forwardOutline an experimental approach to determining the average chain growth rate for transcription in vivo. Chain growth rate is the number of nucleotides polymerized per minute per RNA chain.arrow_forwardCompare 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_forward
- Describe and explain the 3-D structural change to the protein (uniprotkb-p39086/gene regulator 5) upon initial binding.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 general transcription factors associate with an RNA polymerase II promoter in addition to the polymerase? In what order do they bind in vitro?arrow_forward
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