Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 19, Problem 6TYK
Summary Introduction
Introduction: Viruses are infectious agents that cannot be seen through the naked eyes. The genetic material of viruses is either DNA or RNA. A virus that has RNA as its genetic material is known as an RNA virus. The
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Chapter 19 Solutions
Study Guide for Campbell Biology
Ch. 19 - In the following diagram of lytic and lysogenic...Ch. 19 - Summarize the flow of genetic information during...Ch. 19 - How does a virus spread throughout a plant? Are...Ch. 19 - Create a concept map that describes the lytic and...Ch. 19 - Prob. 2SYKCh. 19 - Prob. 1TYKCh. 19 - Prob. 2TYKCh. 19 - Prob. 3TYKCh. 19 - Prob. 4TYKCh. 19 - T2 and T4 are two types of bacteriophage that...
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- What's the term to describe a mutant viral protein, apart from any genetic material, that can cause disease?O A. VirusO B. VirionO C. ViroidO D. Prionarrow_forwardThe --------------- retrovirus contains a ______________ genome: Select one: a. chicken pox, circular DNA b. Sars CoVII, double-stranded RNA c. measles, double-stranded DNA d. HIV, Single-stranded RNAarrow_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
- 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.arrow_forwardWhich part of the SARS-CoV2 virus is produced by your immune system in response to the Pfizer or Moderna vaccine? a. Viral RNA b. Viral DNA c. Spike Protein d. Envelope Protein e. Membrane Proteinarrow_forwardWhat is a prion? a. A highly wound circle of RNA b. A virus that has not yet acquired its envelope c. A protein that can alter the shape of a second protein d. The protein associated with a latent virusarrow_forward
- An experimental drug therapy to treat patients with antibiotic-resistant bacteria involves introduction of a highly specific bacteriophage to the infected patient's bloodstream. Which of the following bacteriophage types would be the LEAST useful for this therapy? a. a lytic bacteriophage b. An enveloped virus c. An RNA virus d. a lysogenic bacteriophagearrow_forwardWhich Class I element has likely experienced the greatest accumulation of mutations compared to its retrovirus ancestor, as its DNA sequence is the most divergent? A. LINES B. transposons C. Ac/Ds elements D. SINES E. LTR retrotransposonsarrow_forwardHow does a retrovirus prepare its genetic material for incorporation into the host cell genome? a. Host enzymes incorporate viral RNA directly into the genome. b. Host enzymes covert viral RNA to double-stranded viral DNA. c. Viral reverse transcriptase uses viral RNA to make double-stranded viral RNA. d. Viral reverse transcriptase uses viral RNA to make double-stranded viral DNA. e. Viral reverse transcriptase uses viral single-stranded DNA to make double-stranded viral DNA.arrow_forward
- after a successful infection by a viral particle, it integrates its genome into the host DNA. which term best describe the change of host genome? a. none b.silent mutation c.missense mutation d.frame shift mutationarrow_forwardWhat is the significance of negative strand synthesis of positive a ssRNA virus? a. Loss of Function b. Transcription of negative and positive strands c. Ensures that mutations are less likely to occur to the genetic material d. Acts as complementary template for the positive strandarrow_forwardIf the HIV did not have a reverse transcriptase enzyme, then which of the following would apply? Select one: a. The virus can make use of the reverse transcriptase enzyme from the host cell to convert its RNA into DNA b. Viral particles will be produced without reverse transcriptase enzyme since the original HIV is an RNA virus and needs to assemble RNA ant coat proteins together c. The virus will manufacture its proteins from its RNA using translation and ribosomes from host cell d. Provirus will not be formed and assembly of viral particles will never occur e. The virus will not be able to recognise the host cell and therefore entry into the cell is blockedarrow_forward
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