Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 17, Problem 4TY
Summary Introduction
Introduction:
The genetic material in all the living organisms is the DNA (deoxyribonucleic acid). All the eukaryotes as well the prokaryotes have defined set of DNA sequences, which is inherited from one generation to another. DNA also codes for all the characters of the organism.
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Why would viral genome integration into host cell integration be advantageous to a virus?
It enables the virus to kill the cell.
It allows the virus to infect cells it would not normally infect.
It allows the virus to be passed on to future generations of host cells.
It allows the virus to destroy the host cell's DNA.
It speeds up viral replication.
Polyomavirus and Papillomavirus, which is NOT correct?
are circular dsDNA
are icosahedral capsid
are non-enveloped
contain DNA and RNA polymerase
their fusion with the host cell doesn’t involve in uncoating
genome replicate in cytoplasm
None of the above
Both D and F
D, E, and F
Which of the following are not DNA viruses?a) Hepatitis B virusb) Influenza A virusc) CMV virusd) Parvovirus
Chapter 17 Solutions
Principles of Biology
Ch. 17.1 - Prob. 1CCCh. 17.1 - Prob. 1BCCh. 17.1 - Prob. 1TYKCh. 17.1 - The step in the viral cycle that follows...Ch. 17.2 - Prob. 1CCCh. 17.2 - Prob. 1BCCh. 17.2 - Describe how the loop domains are held in place.Ch. 17.2 - Prob. 3CCCh. 17.2 - Prob. 4CCCh. 17.2 - Prob. 1TYK
Ch. 17.2 - Prob. 2TYKCh. 17.2 - Prob. 3TYKCh. 17.3 - Prob. 1CCCh. 17.3 - Prob. 1BCCh. 17.3 - Prob. 2CCCh. 17.3 - Prob. 1TYKCh. 17.3 - Prob. 2TYKCh. 17 - Prob. 1TYCh. 17 - Which of the following does hot describe a typical...Ch. 17 - Prob. 3TYCh. 17 - Prob. 4TYCh. 17 - Prob. 5TYCh. 17 - Genetic diversity is not maintained in bacterial...Ch. 17 - Prob. 7TYCh. 17 - Prob. 8TYCh. 17 - Prob. 9TYCh. 17 - Prob. 10TYCh. 17 - How are viruses similar to and different from...Ch. 17 - Describe the three mechanisms of gene transfer in...Ch. 17 - Prob. 3CCQCh. 17 - Prob. 1CBQCh. 17 - Conjugation is sometimes called bacterial mating....
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- After a virus has entered its host, what factor usually determines the manner (or steps) in which the viral genome is copied and the viral enzymes are produced? the size of the virion the number of infecting virus particles the type of viral genome the type of viral capsidarrow_forwardSelect all the following statements that are TRUE regarding viruses: □ All viruses are potentially dangerous to humans because any virus can infect any host. □ Viruses are fastidious pathogens that require complex growth media. □ Viruses are noncellular particles that take over the metabolism of a cell to generate more virus particles. □ Viruses are genomes made of RNA and DNA that lack many protein. □ Viruses can infect all other known life forms on earth, from Archaea to humans.arrow_forwardWhich of the following statements about viruses is false? a. Viruses require a host cell to reproduce. b. Viruses are sensitive to interferons. c. Viral infections can generally be controlled with antibiotics. d. Viruses encode their own genome.arrow_forward
- Which of the following is not a component of HIV?a) Proteasesb) Ribosomesc) Reverse transcriptased) Proteine) RNAarrow_forwardWhat happens during the 'incubation period'? The virus is cleared from the body by the immune system This period commonly lasts for a few days Virus replication happens at an intracellular level This period commonly lasts for a few hoursarrow_forwardWhich of the following processes occurs in both lytic and nonlytic viral infections?(i) Infected cell ruptures to release viral particles.(ii) Viral mRNAs are transcribed by the host-cell translation machinery.(iii) Viral proteins and nucleic acids are packaged to produce virions.arrow_forward
- The life cycle of which of these viruses depends on reverse transcriptase? A)HPV, a DNA virus B)HIV, a (+)RNA retrovirus C)SARS-Cov-2, a (+) RNA virus D)Influenza, a (–) RNA virusarrow_forwardA patient presents at the clinic with an acute viral infection. Assays that analyze the viral life cycle classify the virus into Group V with a segmented genome. Which virus is the most likely diagnosis for the patient? Rabies virus Picornavirus HIV-1 Influenza A virusarrow_forwardWhich of the following viruses is not an oncogenic DNA virus? -Retroviridae -Poxviridae -Herpesviridae -Papovaviridae -Adenoviridaearrow_forward
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