Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 17, Problem 2CONQ
An ncRNA may have the following functions: scaffold, guide, alterer of protein function or stability, ribozyme, blocker, and/or decoy. Which of those functions is/are mediated by each of the ncRNAs listed next? (Note: A single ncRNA may have more than one function.)
A. HOTAIR
B. RNA of RNaseP
C. microRNA
D. crRNA
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An ncRNA may have the following functions: scaffold, guide,alterer of protein function or stability, ribozyme, blocker, and/ordecoy. Which of those functions is/are mediated by each of thencRNAs listed next? (Note: A single ncRNA may have more thanone function.)
A. HOTAIRB. RNA of RNasePC. microRNAD. crRNA
A double-stranded RNA has been generated by release/splicing out of an intron within the nucleus...outline the pathway taken to generate microRNA and its action on the shutdown of protein biosynthesis
List and briefly describe four types of molecules that can bind to an ncRNA.
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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- List five types of cancer in which ncRNAs can be involved.arrow_forwardImagine the four basic components of gene regulation are DNA, RNA, proteins, and small molecules. Which of these things can ncRNA interact with?arrow_forwardIdentify the type of ncRNA function that is pictured: U UCAGU A AG TC DNA O Scaffold Guide Blockerarrow_forward
- Explain how ncRNA uses complementary base pairing with RNA to affect gene expression.arrow_forwardWhat is the difference between an miRNA and an siRNA. How dothese ncRNAs affect mRNAs?arrow_forwardThe number of microRNAs encoded by the genome varies widely among organisms: some species have many miRNA genes and other species have relatively few. Researchers have determined the number of miRNA genes possessed by different species and have made the following observations: Q. The number of miRNA genes found on a chromosome is not correlated with chromosome length. In other words, longer chromosomes do not necessarily have more miRNA genes.arrow_forward
- The number of microRNAs encoded by the genome varies widely among organisms: some species have many miRNA genes and other species have relatively few. Researchers have determined the number of miRNA genes possessed by different species and have made the following observations: a. The number of miRNA genes found on a chromosome is not correlated with chromosome length. In other words, longer chromosomes do not necessarily have more miRNA genes. b. Most species show a strong positive correlation between the number of miRNA genes on a chromosome and the number of non-proteinencoding genes on that chromosome. In other words, chromosomes with more non-protein-encoding genes have more miRNA genes. c. Many species display a strong positive correlation between the number of miRNA genes on a chromosome and the number of proteinencoding genes on that chromosome. In other words, chromosomes with more protein-encoding genes have more miRNA genes. Propose possible explanations for these…arrow_forwardThe number of microRNAs encoded by the genome varies widely among organisms: some species have many miRNA genes and other species have relatively few. Researchers have determined the number of miRNA genes possessed by different species and have made the following observations: a. The number of miRNA genes found on a chromosome is not correlated with chromosome length. In other words, longer chromosomes do not necessarily have more miRNA genes. b. Most species show a strong positive correlation between the number of miRNA genes on a chromosome and the number of non-proteinencoding genes on that chromosome. In other words, chromosomes with more non-protein-encoding genes have more miRNA genes. c. Many species display a strong positive correlation between the number of miRNA genes on a chromosome and the number of protein encoding genes on that chromosome. In other words, chromosomes with more protein-encoding genes have more miRNA genes Propose possible explanations for these…arrow_forwardRNAi may be directed by small interfering RNAs (siRNAs) or microRNAs (miRNAs); how are these similar, and how are they different?arrow_forward
- 1. a)What are the two types of ncRNA used in translation? b.) How is translation terminated when the ribosome reaches a stop codon?arrow_forwardComplete the following sentence: Transcription of DNA by RNA polymerase II synthesises microRNA precursor transcript in: A. either the 3′ to 5′ direction or the 5′ to 3′ direction depending on the orientation of the gene B. a discontinuous fashion. C. the 3′ to 5′ direction. D. both the 3′ to 5′ direction and the 5′ to 3′ direction simultaneously E. the 5′ to 3′ direction.arrow_forwardGiven that ncRNA can have separate protein interaction sequences and nucleotide interaction sequences, do you think a single ncRNA could guide different proteins to the same DNA sequence? Why or why not?arrow_forward
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