Microbiology: An Introduction (13th Edition)
13th Edition
ISBN: 9780134605180
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case, Derek Weber, Warner Bair
Publisher: PEARSON
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Chapter 13, Problem 1MCQ
Summary Introduction
Introduction:
Virus that infect and replicate inside the bacteria is called bacteriophage or phage. Bacteriophages replicate their genetic material by lytic and lysogenic cycles. During the replication process, it injects the viral genetic material (DNA or RNA) to the host target cell with the help of some essential proteins and helps to replicate the number of copies.
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Chapter 13 Solutions
Microbiology: An Introduction (13th Edition)
Ch. 13 - Why do we classify viruses as obligatory...Ch. 13 - List the four properties that define a virus, what...Ch. 13 - Describe the four morphological classes of...Ch. 13 - Prob. 4RCh. 13 - Compare biosynthesis of a + stranded RNA and a ...Ch. 13 - Prob. 6RCh. 13 - Why is it difficult to determine the etiology of a...Ch. 13 - Prob. 8RCh. 13 - Plant viruses can be cultured in (c) __________.Ch. 13 - NAME IT Identify the viral family that infects...
Ch. 13 - Prob. 1MCQCh. 13 - The molecule serving as mRNA can be incorporated...Ch. 13 - Prob. 3MCQCh. 13 - Prob. 4MCQCh. 13 - An example of lysogeny in animals could be a. slow...Ch. 13 - The ability of a virus to infect an organism is...Ch. 13 - Which of the following statements is false? a....Ch. 13 - Prob. 8MCQCh. 13 - Prob. 9MCQCh. 13 - Prob. 10MCQCh. 13 - Discuss the arguments for and against the...Ch. 13 - In some viruses, capsomeres function as enzymes as...Ch. 13 - Why was the discovery of simian AIDS and feline...Ch. 13 - Prophages and proviruses have been described as...Ch. 13 - Prob. 1CAECh. 13 - A newborn female developed extensive vesicular and...Ch. 13 - Prob. 3CAE
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- 95) The herpesviruses: a. Can have an abortive infection b. Have three round of protein translation in its replication cycles, one before genome replication and two after genome replication c. Can have a persistent infection d. the CD4 is the major receptorarrow_forward1. Answer the following questions in short: a) Why prokaryotic cells are known as primitive cell? b) What do you understand by industrial biotechnology? c) How do you justify that antibodies are protein? d) Write the clinical significance of saturated and unsaturated fat. e) 'Genetic codes are universal.' What does it mean?arrow_forward4. It is known that RNA is a nucleic acid responsible for the synthesis of proteins. However, there is another nucleic acid alongside RNA: DNA. What role does the latter play in relation to RNA? a) RNA is synthesized in the cell in case too large a mutation damages the DNA. b) DNA has the reproductive genetic code of all cells and passes it on to RNA. c) DNA directs the synthesis of enzymes, while RNA synthesizes proteins. d) DNA synthesizes RNA according to a blueprint that includes the guidelines necessary for the structure of proteins.arrow_forward
- The five stages of the bacteriophage lytic cycle occur in this order:a. penetration, attachment, release, maturation, biosynthesis.b. attachment, penetration, release, biosynthesis, maturation.c. biosynthesis, attachment, penetration, maturation, release.d. attachment, penetration, biosynthesis, maturation, release.e. penetration, biosynthesis, attachment, maturation, release.arrow_forwardAntibiotic-resistant bacteria have become a stubborn challenge for scientists. Should bacteriophages be used to save the lives of patients in which other treatments have failed?arrow_forwardSynthesis of new bacteriophages in a bacterial host involves the use of a.) Host cell encoded proteins only b.)Virally encoded proteins only c.) Both host and virally encoded proteinsarrow_forward
- 4) Goats have been genetically modified to produce an anticlotting protein in their milk. The protein is extracted from the milk and given to humans who have inherited a disorder that causes their bodies to produce blood clots. A benefit of the technology used to produce this protein is that it a) can be used by people to overcome the effects of a harmful mutation b) can provide people with a new kind of nutrient-rich milk c) will result in healthier goats with more nutritious milk for their offspring d) will reduce blood clots in other farm animals that are modified in this wayarrow_forwardA substance that is used to prevent viral diseases is called? a.) vaccine b.) Neosporin c.) Hydrogen Peroxide d.) Drugarrow_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_forward
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