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 6EQ
Summary Introduction
To review:
miRNA (micro ribonucleic acid) replacement therapy and three different examples of its approaches.
Introduction:
miRNAsare, as the name suggests, short sequences of RNA which do not code for proteins. Instead, they are involved in regulation of gene expression. They bind to mRNAs (messenger RNAs) through base complementarity, thus, decreasing translation of said mRNA into a functional protein.
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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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- What would be a possible result if a miRNA that perfectly complemented E3 ligase was successfully processed in the cell?arrow_forwardWhat is gene therapy? Illustrate using the example of adenosine deaminase (ADA) deficiency.arrow_forwardPlease answer fast miRNA dysregulation has been associated with the development of many human diseases, give example(s) and discuss the mechanisms and the diagnostic and therapeutic applications of miRNA dysregulation. Use the Biomarkers to discuss in detail.arrow_forward
- How is miRNA-206 beneficial to an organism?arrow_forwardConsider the following sequence fragment of an mRNA. Which of the miRNAS below would be competent for gene silencing? 5'-AUGCAAGCAUUGGCCAAGCUU-3' 5'-AUGCAAGCAUUGGCCAAGCUU-3 5'-UACGUUCGUAACCGGUUCGAA-3' 5'-AAGCUUGGUUAAUGCUUGCAU-3' 5'-UUCGAACCAAUUACGAACGUA-3' 3'-UUCGAACCAAUUACGAACGUA-5 3'-AUGCAAGCAUUGGCCAAGCUU-5'arrow_forwardMicroRNAs (miRNAs) are short, noncoding, single-stranded RNAs approximately 19-25 nucleotides in length that bind to mRNAs. Numerous protein-encoding genes are regulated by miRNAs, including those involved in the immune response. Research has shown that rejection of transplanted organs is associated with alterations in the expression of various genes. To determine whether a link exists between miRNA expression patterns and organ rejection, a team of scientists performed the following set of experiments. Experiment 1 MicroRNA levels were measured in the biopsy specimens of patients with normal transplanted kidneys and patients with kidneys that showed histologic features of acute rejection (AR). MicroRNA sequences are shown in Table 1. Table 1 Normalized miRNA levels miRNA Sequence miR-142-5p 5'-CAUAAAGUAGAAAGCACUACU-3' miR-155 5'-UUAAUGCUAAUCGUGAUAGGGGU-3' Nucleotide Sequences for Mature miRNAs miR-223 miR-10b 5'-UACCCUGUAGAACCGAAUUUGUG-3' let-7c miR-30a-3p 5'-CUUUCAGUCGGAUGUUUGCAGC-3'…arrow_forward
- How is the sgRNA different from certain components of the bacterial defense system described?arrow_forwardWhat is c3435T mutataion,What is the clinical implication of c3435T mutation, what is the molecular characteristics of c3435T mutaionarrow_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
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