Foundations in Microbiology
10th Edition
ISBN: 9781259705212
Author: Kathleen Park Talaro, Barry Chess Instructor
Publisher: McGraw-Hill Education
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Chapter 6.L1, Problem 9MCQ
Summary Introduction
Introduction:
Viral multiplication cycle is an intricate process comprising of step-wise stages. Depending on the
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Most viruses use their own virally encoded:
a. DNA/RNA polymerase
b. Endoplastmic reticulum
c. Ribosomes
d. Mitochondria
Viruses 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.
Which of the following does NOT inititiate DNA synthesis?
a. a single-stranded DNA virus.
b. a (-) single stranded RNA virus
c. a (+) single stranded RNA virus
d. a double-stranded DNA virus (Poxviridae)
e. Both (-) and (+) single-stranded RNA viruses
Chapter 6 Solutions
Foundations in Microbiology
Ch. 6.1 - Indicate how viruses were discovered and...Ch. 6.1 - Describe the unique characteristics of viruses.Ch. 6.1 - Discuss the origin and importance of viruses.Ch. 6.1 - Prob. 1CYPCh. 6.1 - Prob. 2CYPCh. 6.1 - Explain what it means to be an obligate...Ch. 6.1 - Prob. 4CYPCh. 6.2 - Prob. 4ELOCh. 6.2 - Distinguish among types of capsids and...Ch. 6.2 - Prob. 6ELO
Ch. 6.2 - Prob. 7ELOCh. 6.2 - Summarize the different viral groups based on...Ch. 6.3 - Prob. 9ELOCh. 6.3 - Indicate the characteristics used in identifying...Ch. 6.3 - Prob. 5CYPCh. 6.3 - Describe the general structure of viruses.Ch. 6.3 - Prob. 7CYPCh. 6.3 - Prob. 8CYPCh. 6.3 - Prob. 9CYPCh. 6.3 - Prob. 10CYPCh. 6.3 - How are the poxviruses different from other animal...Ch. 6.3 - Prob. 12CYPCh. 6.3 - How are generic and common names used?Ch. 6.4 - Describe the virus-host relationship.Ch. 6.4 - Prob. 12ELOCh. 6.4 - Prob. 13ELOCh. 6.4 - Prob. 14ELOCh. 6.4 - Explain two ways in which animal viruses are...Ch. 6.4 - Prob. 16ELOCh. 6.4 - Write a narrative that describes the stages in the...Ch. 6.4 - Prob. 15CYPCh. 6.4 - Summarise the two major ways in which animal...Ch. 6.4 - Prob. 17CYPCh. 6.4 - Describe several cytopathic effects of viruses....Ch. 6.4 - Explain what it means for a virus to become...Ch. 6.4 - Prob. 20CYPCh. 6.5 - Prob. 17ELOCh. 6.5 - Explain what is meant by lysogeny, prophage,...Ch. 6.5 - Prob. 19ELOCh. 6.5 - In simple terms, what does the viral nucleic acid...Ch. 6.5 - What processes are involved in bacteriophage...Ch. 6.5 - Prob. 23CYPCh. 6.5 - Compare and contrast the main phases in the lytic...Ch. 6.5 - why is penetration so different between the two...Ch. 6.6 - Prob. 20ELOCh. 6.6 - Compare the methods and uses of cell culture, bird...Ch. 6.7 - Prob. 22ELOCh. 6.7 - Prob. 23ELOCh. 6.7 - Describe the three main techniques for cultivating...Ch. 6.7 - Prob. 27CYPCh. 6.7 - What are cell lines and monolayers, and how are...Ch. 6.7 - Prob. 29CYPCh. 6.8 - Prob. 24ELOCh. 6.8 - Prob. 25ELOCh. 6.8 - Prob. 30CYPCh. 6.8 - Prob. 31CYPCh. 6.L1 - Prob. 1MCQCh. 6.L1 - Prob. 2MCQCh. 6.L1 - The capsid is composed of protein subunits called...Ch. 6.L1 - Prob. 4MCQCh. 6.L1 - Prob. 5MCQCh. 6.L1 - Prob. 6MCQCh. 6.L1 - A prophage is a/an ____ stage in the cycle of...Ch. 6.L1 - Prob. 8MCQCh. 6.L1 - Prob. 9MCQCh. 6.L1 - Prob. 10MCQCh. 6.L1 - Prob. 11MCQCh. 6.L1 - Prob. 12MCQCh. 6.L1 - Prob. 13MCQCh. 6.L1 - Prob. 14MCQCh. 6.L1 - Prob. 15MCQCh. 6.L1 - Prob. 1CSRCh. 6.L1 - Prob. 2CSRCh. 6.L1 - Prob. 3CSRCh. 6.L1 - a. What characteristics of viruses could be used...Ch. 6.L1 - Prob. 2WCCh. 6.L1 - a. Since viruses lack metabolic enzymes, how can...Ch. 6.L1 - Prob. 4WCCh. 6.L2 - Prob. 1CTCh. 6.L2 - Prob. 2CTCh. 6.L2 - Prob. 3CTCh. 6.L2 - a. Given that DNA viruses can be carried in the...Ch. 6.L2 - Prob. 5CTCh. 6.L2 - Is there such a thing as a “good virus�?...Ch. 6.L2 - Prob. 7CTCh. 6.L2 - Prob. 8CTCh. 6.L2 - Prob. 9CTCh. 6.L2 - Label the parts of viruses in figures...Ch. 6.L2 - How would you describe the kind of capsid found on...
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- Figure 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_forwardThe viral ________ plays a role in attaching a virion to the host cell. a. core b. capsid C. envelope d. both b and carrow_forwardViruses are not considered living because they ___________ . a. are not made of cells b. lack cell nuclei c. do not contain DNA or RNA d. cannot reproducearrow_forward
- Many viruses enter host cells through receptor-mediated endocytosis, What is an advantage of this entry strategy? A. The virus directly enters the cytoplasm of the cell B The virus only enters its target host cell type. C. The virus is protected from recognition by white blood cells. D. The virus can directly inject its genome into the cell's nucleus.arrow_forwardViruses are acellular because a. they are biological entities that do not have a cellular structure. b. they are known as virions that obtain their genetic materials from their host c. they are only fragments of non living material. d. None from choices a-carrow_forwardIn general, RNA viruses multiply in the cell , and DNAviruses multiply in the cell .a. nucleus, cytoplasm b. cytoplasm, nucleus c. vesicles, ribosomes d. endoplasmic reticulum, nucleolusarrow_forward
- Which of the following is a property of life that viruses lack? A. The manufacture and use of complex carbon containing molecules B. The potential to grow and expand their populations C. Engages in self-sustaining biological processes such as homeostasis and metabolism D. The potential to pass hereditary material to offspringarrow_forwardWhy don’t scientists usually consider viruses living? A.They do not have DNA B.They do not have cells C.They cannot reproducearrow_forwardVirus spikes are commonly associated with which of the following? a. Non enveloped viruses b. Glycoproteins c. Lipids from the host cell membrane d. Inability to cause hemaglutinationarrow_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_forwardSome viruses poke holes in the nuclear envelope to enter the nucleus and attach to a chromosome. They would pass through in order: a. the nuclear lamina and then two membranes b. the nuclear lamina and then a membrane c. a membrane, the nuclear lamina, and then another membrane d. a membrane and then the nuclear lamina e. two membranes and then the nuclear laminaarrow_forwardRegarding enveloped viruses, which of the following is true of the viral envelope? A. It has the same structure as a cell wall B. It is resistant to soaps/detergents C. It is composed of capsid proteins D. It is a phospholipid bilayer derived from a membrane of its host cell 42.arrow_forward
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