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Nester's Microbiology: A Human Perspective
9th Edition
ISBN: 9781259709999
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 13, Problem 3MC
Classification of viruses is based on all of the following except
a) type of
b) shape of virus.
c) size of virus.
d) host infected.
e) strandedness of nucleic acid.
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Students have asked these similar questions
Classification of viruses is based on all of the following excepta) type of nucleic acid. b) shape of virus.c) size of virus. d) host infected.e) strandedness of nucleic acid.
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Which of the following viral components must get into a cell's cytoplasm in order for the virus to be replicated?
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Chapter 13 Solutions
Nester's Microbiology: A Human Perspective
Ch. 13 - Prob. 1SACh. 13 -
2. How is the replication cycle of lambda phage...Ch. 13 -
3. What is lysogenic conversion?
Ch. 13 -
4. How is specialized transduction different from...Ch. 13 -
5. What is the difference between acute and...Ch. 13 -
6. Why must (–) strand but not (+) strand RNA...Ch. 13 - Why are RNA viruses and retroviruses more...Ch. 13 - What is the role of a prophage in persistent...Ch. 13 -
9. How do oncogenes differ from proto-oncogenes?
Ch. 13 - Describe how prions propagate.
Ch. 13 - Prob. 1MCCh. 13 - Prob. 2MCCh. 13 -
3. Classification of viruses is based on all of...Ch. 13 - Prob. 4MCCh. 13 -
5. All phages must be able to
1) inject their...Ch. 13 - Prob. 6MCCh. 13 -
7. Influenza vaccines must be changed yearly...Ch. 13 - Prob. 8MCCh. 13 - Prob. 9MCCh. 13 - Prob. 10MCCh. 13 -
1. A public health physician isolated large...Ch. 13 - Prob. 2ACh. 13 - Viruses that infect bacterial cells do not infect...Ch. 13 - Prob. 2CT
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- C) complex D) polyhedral 23. The first step in viral infection is the recognition between the virus and the host cell. Which of the following statements best describes how that occurs? A) The viral genome matches the host cell genome. B) Surface proteins on the virus are recognized by receptor proteins found in the plasma membrane of the host cell. C) The viral genome is recognized by the capsid that surrounds the host cell genome. D) The envelope on the virus is recognized by the host cell genome.arrow_forwardWhich of the following are activities that a virus particle (a virion) cannot accomplish by itself? Select all that apply. a) Extract energy from food molecules b) Synthesis of capsid proteins c) Generate ATP d) Binding to a host cell e) Replication of the viral genomearrow_forwardWhich of the following statements about viruses is true?a) They contain DNAb) They contain RNAc) They contain proteind) They are susceptible to lipid solventsarrow_forward
- we 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_forwardWhich statement is true of viral replication? A) virus attaches to a specific receptor site on the host-cell membrane. B) Once inside the cell, the viral capsid is degraded, and the viral nucleic acid is released. C) Virus uses the host cell’s machinery to replicate and new virus particles are released. D) All of the abovearrow_forwardIn retroviruses, transcription of the provirus: A) converts viral RNA into viral DNA B) does not result in production of viral protein components C) is done by reverse transcriptase D) represents replication of viral genome/nucleic acidarrow_forward
- Host specificity of a virus is due to O 1) similarities in size between the virus and the host cell. O 2) the presence or absence of a cell wall on the host cell. O 3) particular genes that it shares with the infected cell. 4) compatibility between viral and cellular surface molecules. 5) the presence of an envelope.arrow_forwardA 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_forwarda "persistent infection" is best described as: A) chronic infection in which viral genes are not expressed and viral proteins are NOT made B) an infection in which the viral nucleic acid does NOT persist/stay in the host cell C) A general term that describes all chronic/long-term infections D) chronic infection in which viral proteins are constantly made E) chronic infections that usually do NOT have a fatal outcomearrow_forward
- 27. Class VI animal viruses include HIV, Based on the type of viral genome, how is this class distinguished from the other classes of animal virus? A) It has double stranded RNA. B) It has single stranded RNA that serves as mRNA (positive sense). C) It has single stranded RNA that serves as a template for the synthesis of DNA. D) It has single stranded RNA that serves as a template for mRNA (anti-sense). does HIVarrow_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 component is common for all viruses?a) Ribosomeb) DNAc) RNAd) A protein coate) A protective envelopearrow_forward
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