Brock Biology of Microorganisms (14th Edition)
14th Edition
ISBN: 9780321897398
Author: Michael T. Madigan, John M. Martinko, Kelly S. Bender, Daniel H. Buckley, David A. Stahl, Thomas Brock
Publisher: PEARSON
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Chapter 9.11, Problem 3MQ
- How does the role of reverse transcriptase in the replication cycles of retroviruses and hepadnaviruses differ?
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How does the role of reverse transcriptase in the replicationcycles of retroviruses and hepadnaviruses differ?
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Why do both hepadnaviruses and retroviruses requirereverse transcriptase when their genomes are doublestranded DNA and single-stranded RNA, respectively?
Chapter 9 Solutions
Brock Biology of Microorganisms (14th Edition)
Ch. 9.1 - Distinguish between a positive-strand RNA virus...Ch. 9.1 - Prob. 2MQCh. 9.1 - Prob. 3MQCh. 9.2 - Prob. 1MQCh. 9.2 - Prob. 2MQCh. 9.2 - Prob. 3MQCh. 9.3 - Prob. 1MQCh. 9.3 - In the X174 genome, describe the difference...Ch. 9.3 - Prob. 3MQCh. 9.4 - In what major way does transcription of phage DNA...
Ch. 9.4 - Prob. 2MQCh. 9.5 - What type of genome is seen in most archaeal...Ch. 9.5 - Compared with other archaeal viruses, what are two...Ch. 9.6 - Prob. 1MQCh. 9.6 - Prob. 2MQCh. 9.6 - Prob. 3MQCh. 9.7 - Prob. 1MQCh. 9.7 - Prob. 2MQCh. 9.7 - Prob. 3MQCh. 9.8 - Prob. 1MQCh. 9.8 - Prob. 2MQCh. 9.8 - How are protein synthesis and genomic replication...Ch. 9.9 - Prob. 1MQCh. 9.9 - Prob. 2MQCh. 9.9 - Prob. 3MQCh. 9.10 - Prob. 1MQCh. 9.10 - Prob. 2MQCh. 9.10 - Prob. 3MQCh. 9.11 - Prob. 1MQCh. 9.11 - Prob. 2MQCh. 9.11 - How does the role of reverse transcriptase in the...Ch. 9.12 - If viroids are circular molecules, why are they...Ch. 9.12 - Prob. 2MQCh. 9.13 - Prob. 1MQCh. 9.13 - Prob. 2MQCh. 9.13 - Prob. 3MQCh. 9 - Prob. 1RQCh. 9 - Describe the classes of viruses based on their...Ch. 9 - REVIEW QUESTIONS
3. How might viruses help...Ch. 9 - Prob. 4RQCh. 9 - Describe how the genome of bacteriophage X174 is...Ch. 9 - Why can it be said that transcription of the...Ch. 9 - Prob. 7RQCh. 9 - Prob. 8RQCh. 9 - Prob. 9RQCh. 9 - Prob. 10RQCh. 9 - Prob. 11RQCh. 9 - Prob. 12RQCh. 9 - Prob. 13RQCh. 9 - Prob. 14RQCh. 9 - Rabies virus and poliovirus both have...Ch. 9 - Prob. 16RQCh. 9 - Why do both hepadnaviruses and retroviruses...Ch. 9 - Prob. 18RQCh. 9 - What are the similarities and differences between...Ch. 9 - Prob. 20RQCh. 9 - Not all proteins are made from the RNA genome of...Ch. 9 - Replication of both strands of DNA in adenoviruses...Ch. 9 - Imagine that you are a researcher at a...Ch. 9 - Prob. 4AQ
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- Describe the functions of the transcriptase/replicase complex in coronavirus replication.arrow_forwardwe can stop the biosynthesis stage of the viral life cycle (not the stages before it) by preventing/inhibiting: A) fusion of the envelope and the plasma membrane B) replication and expression of viral nucleic acid/genome C) the virus's attachment molecules from binding to the host cell receptor D) new copies of viral nucleic acid from combining with newly made viral proteins E)buddingarrow_forwardWhat is crystallization of a virus? What is the importance of this process?arrow_forward
- 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_forwardWhich viruses are retroviruses?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
- A viral particle adsorbs onto a host cell membrane. It uncoats and releases its single-stranded nonsegmented nucleic acid into the cytoplasm where it is immed dependent RNA polymerase, into mRNA. It is then translated into viral structural proteins and enzymes. Which of the following virus families is most likely repre A) Herpesviridae B) Paramyxoviridae C) Parvoviridae D) Reovirius E) Retroviridaearrow_forwardWhich structure of a virus protects it from degradation, contains its genome, and enables it to be transmitted outside the host? A) O capsule B) O capsid C) O envelope D) O nucleus E) O spikesarrow_forwardWhat are the similarities and differences among viral genomes?arrow_forward
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