Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781259709227
Author: Marjorie Kelly Cowan Professor, Heidi Smith
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 5, Problem 6Q
Viruses use the host cell cytoplasmic space as their “factories” and their enzymes and other macromolecules as their “tools.” Does that make them more sophisticated or less sophisticated than cells? Justify your answer.
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Students have asked these similar questions
Are viruses living or dead? Discuss this question by applying your knowledge of viruses and their life cycles.
Viruses with reverse transcriptase enzyme can make a DNA copy out of its RNA genome. What
implications can this capability do in health hazards?
Students 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.
Chapter 5 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 5.1 - Explain what it means when viruses are described...Ch. 5.1 - Identify better terms for viruses than alive or...Ch. 5.1 - Which statements are accurate regarding properties...Ch. 5.2 - Prob. 3AYPCh. 5.2 - Describe the function and structure(s) of viral...Ch. 5.2 - Distinguish between enveloped and naked viruses.Ch. 5.2 - Prob. 6AYPCh. 5.2 - Diagram the possible nucleic acid configurations...Ch. 5.2 - Medical Moment Q. Antibiotics targeting bacteria...Ch. 5.3 - Diagram the five-step life cycle of animal...
Ch. 5.3 - Define the term cytopathic effect and provide one...Ch. 5.3 - Discuss both persistent and transforming...Ch. 5.3 - Provide thorough descriptions of both lysogenic...Ch. 5.3 - Prob. 2NPCh. 5.3 - Prob. 3NPCh. 5.4 - List the three principal purposes of cultivating...Ch. 5.4 - Describe three ways in which viruses are...Ch. 5.4 - Prob. 4NPCh. 5.5 - Prob. 14AYPCh. 5.5 - Prob. 2MMCh. 5.5 - Prob. 5NPCh. 5.6 - Analyze the relative importance of viruses in...Ch. 5.6 - Discuss the primary reason that antiviral drugs...Ch. 5 - ___% of human DNA is thought to consist of viral...Ch. 5 - Prob. 2QCh. 5 - Construct a scenario in which viral latency and...Ch. 5 - Prob. 4QCh. 5 - If viruses that normally form envelopes were...Ch. 5 - Viruses use the host cell cytoplasmic space as...Ch. 5 - The general steps in a viral multiplication cycle...Ch. 5 - Compare and contrast the processes of latency and...Ch. 5 - Pathogenic bacteria lysogenized by phages can...Ch. 5 - When phage nucleic acid is incorporated into the...Ch. 5 - Prob. 11QCh. 5 - Prob. 12QCh. 5 - Prob. 13QCh. 5 - Prob. 14QCh. 5 - Prob. 15QCh. 5 - Prob. 16QCh. 5 - Prob. 17QCh. 5 - Construct an argument for whether humans or...Ch. 5 - Since 2000, the number of orders of viruses...Ch. 5 - Prob. 20QCh. 5 - Prob. 21QCh. 5 - Prob. 1VC
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- Which statement is true? a. A virion contains DNA and RNA. b. Viruses are acellular. c. Viruses replicate outside of the cell. d. Most viruses are easily visualized with a light microscope.arrow_forwardViruses cannot reproduce on their own, without the help of a living cell. Explain the basics of how viruses make more viruses.arrow_forwardIf you were to argue that viruses are living organisms, what features of viral structure and function might you use in your argument?arrow_forward
- briefly 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_forwardViruses consist of either DNA or RNA wrapped inside a protein coat. Are viruses considered alive? A. Yes, because they contain DNA. B. Yes, because they contain DNA and proteins. C. No, because they lack carbohydrates and lipids. D. No, because some viruses use RNA as the main genetic molecule.arrow_forwardViruses replicate their genomes in the nucleus ofthe host cell. Explain why or why not.arrow_forward
- According to your own understanding, what do you think makes viruses some of the most common disease causing organisms? Explain comprehensivelyarrow_forwardMost viruses use their own virally encoded: a. DNA/RNA polymerase b. Endoplastmic reticulum c. Ribosomes d. Mitochondriaarrow_forwardmicrobiology question Which of the following statements is true regarding bacteriophages and eukaryotic viruses? A. Both may enter a host cell by endocytosis. B. Both involve entry of the entire virus particle into the host cell. C. Both can have segmented genetic material. D. Bacteriophages leave the capsid outside of the cell that they infect, while eukaryotic virus infections involve the entry of the capsid with the nucleic acid.arrow_forward
- Besides the virus escaping the cell through lysis or exocytosis what are two other effects a virus could have on the host cell. Give support to your answer with two examples and an explanation.arrow_forwardHow much smaller is a virus than a bacterial cell? Than an animal or a plant cell?arrow_forwardHIV is a retrovirus what does this mean? A. That is a DNA virus and it must make RNA before it can make proteins. B. That it is an RNA virus and must convert its genetic material to DNA once it enters a cell. C. That is was a virus discovered in the recent past D. That is an RNA virus and goes directly to ribosomes of host cells to reproduce Please explain your answer!arrow_forward
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