Microbiology With Diseases By Taxonomy (6th Edition)
6th Edition
ISBN: 9780134832302
Author: Robert W. Bauman Ph.D.
Publisher: PEARSON
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Chapter 25, Problem 4CT
Summary Introduction
To answer:
The relevance of the primer when retrovirus uses RNA as the primer for the
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A single stranded RNA virus is called as retrovirus and the RNA is positive-sense with a DNA intermediate and it targets their host as the obligate
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Chapter 25 Solutions
Microbiology With Diseases By Taxonomy (6th Edition)
Ch. 25 - Why might enteroviruses, which infect the body...Ch. 25 - Prob. 2TMWCh. 25 - Prob. 3TMWCh. 25 - Prob. 4TMWCh. 25 - Prob. 5TMWCh. 25 - Prob. 6TMWCh. 25 - A man arrived at an emergency room with...Ch. 25 - Prob. 1EDCSCh. 25 - Prob. 2EDCSCh. 25 - Prob. 1MC
Ch. 25 - What do viruses in the families Picornaviridae,...Ch. 25 - Prob. 3MCCh. 25 - Prob. 4MCCh. 25 - Prob. 5MCCh. 25 - Prob. 6MCCh. 25 - Prob. 7MCCh. 25 - Prob. 8MCCh. 25 - Prob. 9MCCh. 25 - Prob. 10MCCh. 25 - Prob. 11MCCh. 25 - Prob. 1MCh. 25 - Prob. 1TFCh. 25 - _________ All infections of polio are crippling.Ch. 25 - Prob. 3TFCh. 25 - Prob. 4TFCh. 25 - Prob. 5TFCh. 25 - Label the steps in retroviral replication shown...Ch. 25 - Prob. 2VICh. 25 - Prob. 1SACh. 25 - Prob. 2SACh. 25 - Prob. 3SACh. 25 - Prob. 4SACh. 25 - Prob. 5SACh. 25 - Prob. 6SACh. 25 - Prob. 8SACh. 25 - Prob. 9SACh. 25 - Prob. 10SACh. 25 - Prob. 11SACh. 25 - Prob. 1CTCh. 25 - A 20-year-old man is brought to a South Carolina...Ch. 25 - Prob. 3CTCh. 25 - Prob. 4CTCh. 25 - Prob. 5CTCh. 25 - Reverse transcriptase is notoriously sloppy in...
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- Which of the following are the functions of reverse transcriptase in retroviruses? i) it hydrolyzes the host cell's DNA ii) it uses viral RNA as a template for DNA synthesis iii) it converts host cell RNA into viral DNA iv) it translates viral RNA into proteins v) It uses viral RNA as a template for making complementary RNA strand vi) It degrades RNA from DNA-RNA hybrid Oi, iv and v O ii, iv, v and vi ii and iii ii and viarrow_forwardSome retroviruses that have a wide host range have been developed for use in treatment of diseases or syndromes. These viruses do not result in a productive infection because they lack critical genes for viral replication, but they do carry DNA sequences that allow them to be packaged into infectious particles. Once in the host cell the viral DNA is released and integrates into the cell's genome. The advantage to this strategy is that the delivery of the DNA is very efficient. What is one possible problem of using a virus that can integrate into the human nuclear genome? Multiple Choice The virus carries genes that will interfere with host cell activities. The viral DNA sequences could still cause a disease. Since the viral DNA sequences no longer contain essential genes for viral replication the host cell may not be able to replicate either. The integration could disrupt an essential gene or genes.arrow_forwardWith respect to the replication strategy, what unusual feature does HBV have in common with HIV?arrow_forward
- What enzyme is responsible for the production of viral DNA from a retrovirus?arrow_forwardCoronaviruses have a positive-sense single stranded RNA genome. a.) What is the genome replication strategy of this category of viruses? b.) How do you think this feature affects the stability of the viral genome? (hint use figure below) Mutation rates in different types of viruses. Estimates obtained for viruses belonging to the major indicated groups are shown as a function of genome size. This reveals an effect of genetic material (RNA/DNA) and genome size on viral mutation rates.arrow_forwardWhat is the function of reverse transcriptase in retroviruses? a) It converts viral RNA into double-stranded DNA Ob) It uses viral RNA as a template for making complementary RNA strands Oc) It translates viral RNA into proteins d) It uses viral DNA as a template for RNA synthesisarrow_forward
- Why are retroviruses prone to accumulating oncogenes?arrow_forwardDescribe the functions of the transcriptase/replicase complex in coronavirus replication.arrow_forwardWhat is the mode of replication of the virus? (this can be presented as a diagram with narrative description) What are its differences from HIV?arrow_forward
- Name a nucleoside analog. Explain how that nucleoside analog works. Which viruses are effectively treated by that nucleoside analog?arrow_forwardWhy can protease inhibitors and nucleoside analogs be used in minimizing the replication of the HIV virus?arrow_forwardSimian Virus 40 is carcinogenic in primates. 1). which molecule of the virus 2). what particular property of the molecule that enable the malignant transformation.arrow_forward
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