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 11CONQ
Compare and contrast the roles of crRNA and tracrRNA in the defense process against bacteriophages provided by the CRISPR-Cas system.
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Compare and contrast the roles of crRNA and tracrRNA in the defense process against bacteriophages provided by the CRISPRCas system.
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Using figure (a) above as guide, list the five components in the CRISPR-Cas9 bacterial defense system used against bacteriophage infection. In 25 words or less describe the role of each component of the system.
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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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- Define CRISPR interference, describe its natural mechanism in bacterial defense and how it isexploited today in DNA editing.arrow_forwardDoes CRISPR CAS9 as a defense in bacteria only work for double stranded viral DNA? or any type of stranded DNA/RNA?arrow_forwardBriefly describe how the CRISPR/Cas9 system modifies genomic DNA and why this can help treat genetic disease. Make it understandablearrow_forward
- What evidence demonstrates that CRISPR-Cas is an adaptive immune system defense against viruses?arrow_forward"CRISPR-Cas Is an Adaptive Immune System in Bacteria" Explain this ?arrow_forwardWith regard to the CRISPR-Cas system that defends bacteriaagainst bacteriophage attack, what happens during the adaptation,expression, and interference phases? When a bacterium is exposed toa particular bacteriophage, is the adaptation phase always necessary?arrow_forward
- Describe the class II CRISPR and Cas 9 systemarrow_forwardExplain why incoming DNA recognized by a shortRNA molecule expressed from the CRISPR region cannotbe completely foreign to the cell.arrow_forwardDescribe one way in which DNA double stranded break repair that occurs because of X-ray damage differs from that caused by Crispr/Cas9 and one way in which they are similar.arrow_forward
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