Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 6.1, Problem 2TQ
Summary Introduction
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The viruses that have a narrow host range and the viruses having a broad host range.
Introduction:
Viruses arethe microscopic infectious agents that infect all kinds of cells such as bacteria, Archaea, and eukaryotes. The infection mechanism of viruses involves the invasion of the host cell and the use ofits machinery to produce progeny viruses. The host cell could be killed by viruses or they may also become integrated into the host genome.
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Microbiology: An Evolving Science (Fourth Edition)
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- Viruses cannot reproduce on their own, without the help of a living cell. Explain the basics of how viruses make more viruses.arrow_forwardDescribe the DNA viruses and RNA viruses with the help of example.arrow_forwardDescribe the four morphological classes of viruses, then diagram and give example of each.arrow_forward
- Differenciate and explain the virus family and virus subfamily by their definition below and give examples. Virus family- group of genera sharing certain characteristics Virus Subfamily- group of genera sharing common characteristicsarrow_forwardDiscuss how the components of viruses assemble to make new virus particles. What is the difference between a virus that can self-assemble and one thatcannot? Give examples.arrow_forwardFigure 17.5 Which of the following statements about virus structure is true? a. All viruses are encased in a viral membrane. b. The capsomere is made up of small protein subunits called capsids. c. DNA is the genetic material in all viruses. d. Glycoproteins help the virus attach to the host cell.arrow_forward
- Is a Virus considered living or non-living? Justify your answer and Give one example of a virus.arrow_forwardName three characteristics of viruses. Are viruses living or nonliving? Defend your answer.arrow_forwardSome people feel that viruses are living organisms. Give an explanation as to why they cannot be considered living at this time.arrow_forward
- Put the viral taxonomy in hierarchical order from most broad to most specific. > Family Genus Species Orderarrow_forwardIn the Baltimore Classification of Viruses, viruses with a genetic material in the form of RNA are found in which groups? Group of answer choices Groups II to V Groups I and II only Groups III to V Groups VI and VII only Groups III to VI Carrow_forwardbriefly explain the situation below. Larger viruses usually have a double-stranded genome, whereas small viruses typically have a single-stranded genome. What reasonable explanation can you offer for this observation?arrow_forward
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