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 9.2, Problem 1MQ
Summary Introduction
Virus a prokaryotic microscopic organism measures about 20 – 300 nanometers which are mostly infectious agents. Viruses are pathogenic to humans, plants and animals cause deadly disease. The virus contains single-stranded RNA as their genetic element instead of DNA. The virus needs a host cell in order to replicate itself.
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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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- Does an organism have to reproduce to be alive?arrow_forwardDo viruses grow and develop? Is there any evidence?arrow_forward. According to origin-of-life scenarios proposed by William Martin, Michael Russell, and Theodor Diener, the first self-replicating genetic molecules were most similar to: double-stranded RNA viruses single-stranded RNA virusoids single-stranded DNA viruses double-stranded DNA viruses single-stranded RNA viroidsarrow_forward
- Viruses are not found in the tree of life. Why do you think so?arrow_forwardwhy are bacteria considered living organisms, while viruses are usually considered non living?arrow_forwardStudents are debating about differences between viruses and cells. Which student’s argument is MOST correct using evidence from the diagrams? A. Diagram 1 represents a virus and Diagram 2 represents a cell because viruses do not have nucleic acids but cells do. B. Diagram 1 represents a cell and Diagram 2 represents a virus because a virus has nucleic acids and cells do not. C. Diagram 1 represents a cell and Diagram 2 represents a virus because viruses have a protein capsid while cells have a lipid membrane. D. Diagram 1 represents a virus and Diagram 2 represents a cell because cells have ribosomes to make their own proteins and viruses do not.arrow_forward
- Are DNA viruses or RNA viruses more likely to mutate and evolve?arrow_forwardAre viruses considered as cells? why or why not?arrow_forwardHow do retrovirus assemble new viral progeny? a. Viral RNA is copied into DNA, then integated into the host genome and transcribed ans translated b.Viral DNA is copied into RNA, then integated into the host genome and transcribed and translated c. Retroviruses use the same machinery as prokaryotes and follow the same process to make RNA d. Retroviruses have an RNA genome instead of DNA but use all of the same enzymes as eukaryotesarrow_forward
- The evolution of the highly complex eukaryotic cell was possible because.. A) Mesosomes released enzymes in to the nucleus B) Two types of prokaryotic bacteria became endo symbiotic invaders of the complex cells C) The DNA of the eukaryote cell functions within the nucleoid area D) Chloroplasts were able to use 02 to conduct photosynthesis E) the space between the two layers of the nuclear membrane contained mitochondria Explain whyarrow_forwardRNA-dependent RNA polymerase performs which of the following functions? O 1) Uncoats the viral genome 2) transcribes retroviral RNA genomes into DNA 3) Replicates RNA into RNA O 4) Replicates DNA into RNA 5) Shuttles RNA genomes into the nucleus for assemblyarrow_forwardWhat is the endosymbiotic hypothesis?arrow_forward
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Endosymbiotic Theory; Author: Amoeba Sisters;https://www.youtube.com/watch?v=FGnS-Xk0ZqU;License: Standard Youtube License