Microbiology: A Systems Approach
5th Edition
ISBN: 9781259706615
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Chapter 10.4, Problem 9AYP
Summary Introduction
To describe:
The miRNAs and ways in which their discovery can impact human disease.
Concept introduction
Gene therapy is a method to treat the genetics related problems. In this therapy,
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Consider 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'
What is miRNA replacement therapy? Describe three examples of this treatment approach.
List several examples of ncRNAs, and describe their functions.
Chapter 10 Solutions
Microbiology: A Systems Approach
Ch. 10.1 - Provide examples of practical applications of...Ch. 10.2 - Prob. 2AYPCh. 10.2 - Describe how gel electrophoresis is used to...Ch. 10.2 - Prob. 4AYPCh. 10.2 - Prob. 5AYPCh. 10.3 - Prob. 6AYPCh. 10.3 - List examples of genetically modified bacteria,...Ch. 10.4 - Prob. 8AYPCh. 10.4 - Prob. 9AYPCh. 10.5 - Outline in general terms the process of DNA...
Ch. 10.5 - Prob. 11AYPCh. 10.5 - Prob. 12AYPCh. 10.5 - Prob. 13AYPCh. 10.6 - Prob. 14AYPCh. 10 - Which of the following is/are not essential to...Ch. 10 - Prob. 2MCQCh. 10 - The function of ligase is to a. rejoin segments of...Ch. 10 - The creation of biological molecules entirely from...Ch. 10 - Which of the following sequences, when combined...Ch. 10 - A region of DNA in a plasmid that is recognized by...Ch. 10 - Prob. 7MCQCh. 10 - Which of the following is a primary participant in...Ch. 10 - Single nucleotide polymorphisms are found in a....Ch. 10 - Microarrays are used to monitor a. the rate of DNA...Ch. 10 - Prob. 11TFCh. 10 - A nucleic acid probe can be used to identify...Ch. 10 - Prob. 13TFCh. 10 - In order to detect recombinant cells, plasmids...Ch. 10 - Plasmids are the only vectors currently available...Ch. 10 - You are a public health official trying to...Ch. 10 - a.Construct a strand of complementary DNA (cDNA)...Ch. 10 - a.Explain whether or not DNA polymerase from a...Ch. 10 - a.Define the term RFLP. Explain how RFLPs are...Ch. 10 - Prob. 5CTQCh. 10 - From chapter 6, figure 6.19. What has happened to...Ch. 10 - Prob. 2VCCh. 10 - Using the words that follow, please create a...
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- What are the differences between miRNA and siRNA? (Select all that apply.) OmiRNAs carry the genetic information from the DNA in the nucleus directly to the cytoplasm, and siRNAs are involved in the degradation of specific mRNA molecules. miRNAs are from 22 to 30 bases long, and siRNAs are 22 bases long. O miRNAs carry the genetic information from the DNA in the nucleus directly to the cytoplasm, and siRNAs help with the processing of the initial mRNA transcribed from DNA into a mature form. miRNAs prevent translation of certain mRNAs, and siRNAs are involved in the degradation of specific mRNA molecules. miRNAs are 20 to 22 bases long, and siRNAs are from 20 to 30 bases long.arrow_forwardHow is miRNA-206 beneficial to an organism?arrow_forwardThe RNAi and the microRNA (miRNA) pathways share many components and characteristics. What unique feature distinguishes the microRNA pathway from RNAi? a) only the RNAi pathway is initiated by dsRNA molecules b) the miRNA pathway does not require Dicer c) the miRNA pathway does not require RISC. d) miRNAs have 100% complementarity with their mRNA targets to block translation e) siRNAs that act in RNAi have 100% complementarity with their mRNA targets resulting in endonucleolytic cleavagearrow_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: 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_forwardmiRNAs target endogenous mRNAs in a sequence-specific manner. Explain, conceptually, how one might identify potential mRNA targets for a given miRNA if you only know the sequence of the miRNA and the sequence of all mRNAs in a cell or tissue of interest.arrow_forwardContrast the origins and functions of the three maincategories of small regulatory RNAs (miRNAs, siRNAs,and piRNAs).arrow_forward
- Compare and contrast anti-miRNA oligonucleotides, locked nucleicacids (LNAs), and antagomirs, which may eventually be used to treat certain forms of cancer.arrow_forwardGene splicing all are true except - a) Complete removal of introns b) Histone mRNAs do not undergo splicing c) SnRNAs help in splicing d) Prokaryotic mRNAs do not undergo splicingarrow_forwardDiscuss the features, functions and components of Riboswitches.arrow_forward
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