89) **If the UK variant and the South African variant of the SARS-CoV 2 infected the same cell a. both variants might have phenotypic mixing with a change in their genome b. There is a chance for recombination events that will not change the genomic structure of both virus c. There is a chance for mutations events that will results in a new virus containing fragments from both d. There is a chance for RNA polymerase jumping during the production of antigenomic copy leading

89) **If the UK variant and the South African variant of the SARS-CoV 2 infected the same cell a. both variants might have phenotypic mixing with a change in their genome b. There is a chance for recombination events that will not change the genomic structure of both virus c. There is a chance for mutations events that will results in a new virus containing fragments from both d. There is a chance for RNA polymerase jumping during the production of antigenomic copy leading

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter10: Biotechnology

Section: Chapter Questions

Problem 2CT

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(65) A new strain of influenza virus emerges that results in world wide pandemic of influenza. Affected persons lack pre-existing immunity to this strain. Which of the following genetic mechanism best explains the emergence of this pandemic strain? (A) Deletion (B) insertion (C) Point Mutation (D) Reassortment (E) Recombination
computer applications can be used to translate viral genomic sequence just as you did manually, however computer applications cannot tell you the meaning or significance of mutation. based on your experience what might be a disadvantage in using computer applications to compare new strains of the virus that causes COVID19. please asap dont copy from any other site i already have that answer
Transmission studies suggest that there are at least three (3) different variants of the SARS-CoV-2 virus circulating in Latin America and the Caribbean. Discuss a recombinant DNA technology strategy that could be used to verify this claim.
19. An investigaor is conducting a study of n outbreak of severe nausea, vomitting and diarrhea among28 guests in a hotel. It is found that the affected guests stayed in rooms located in the east wing of the thrid floorof the hotel during a single3-week period. The causal virus most likely has which of the following chracteristics? (A) DNA genome (B) Helical symmetry (C) No envelope (D) No polymerase gene (E) Segmented genome
Which of the following is NOT a feature of genetic reassortment? A) a host cell is coinfected with two different viruses B) different segments of multipartite genomes are mixed C) host range is permanently altered D) two different viruses have nonidentical but overlapping host ranges E) viruses released possess genetic material from two “parent” viruses F) ALL of these are features of genetic reassortment
Please consider the figure attached i. The ordinate (i.e., 'y-axis') represents values for the C or G nucleotide base proportion in sequences (or, in this case, genomes).ii. Influenza viruses that infected birds or moved from birds to humans without spreading are characterised by higher A + U content relative to influenza viruses that infected humans for long time periods.iii. Influenza viruses adapted to human hosts are characterised by lower G + C content relative to influenza viruses that infected birds or moved from birds to humans without spreading. iv. Human and swine influenza A H1N1 strains evolved from a birdlike G + C state to a humanlike G + C state since 1918. v. Data such as those depicted in the figure have been interpreted as evidence that the 1918 influenza virus strain originated from a bird influenza virus population. Question 1 options: A) Statement ii conveys accurate information. B) Statements ii,…
Given that COVID19 has a single strand RNA for its genome, the number of rounds required to complete replicating 3 viable virus particles? a) 3 b) 4 c) 5 d) 6 e) 9
Although many +ssRNA viruses use their genomr directly as mRNA retroviruses do not. instead their +RNA is transcribed into a DNA by a resverse transcriptase. what advantages do retroviruses gained by using reserve transcriptase?
A disgruntled scholar recently tried to infect their instructor with what appeared the GVV synthetically derived. Symptoms of infection include occasional random outbursts and occasionally the urge to randomly chuck bottles of condiments when things aren't going your way. None of those symptoms are present yet in the instructor, but the instructor is nonetheless worried based on the phenotype of this very large and intimidating virus. The instructor decides to investigate the genome of this unknown virus to confirm if they should be worried and be on the lookout for symptoms. Which method would be most appropriate to determine the virus genome to see if it in fact is an infectious variant of GVV? gel electrophoresis reverse genetics the polymerase chain reaction (PCR) whole genome shotgun sequencing metagenomics cloning
Coronaviruses have a positive-sense single stranded RNA genome. a.) What is the genome replication strategy of this category of viruses? b.) How do you think this feature affects the stability of the viral genome? (hint use figure below) Mutation rates in different types of viruses. Estimates obtained for viruses belonging to the major indicated groups are shown as a function of genome size. This reveals an effect of genetic material (RNA/DNA) and genome size on viral mutation rates.
Why can it be said that the retrovirus genome isunique in all of biology?
Which of the following is a known characteristic or procesds that can lead to genetic changes in some viruses? When two different viral strains of the same type of virus infect a single individual, reassortment/mixing of segmented genome pieces can occur, resulting in new combinations of segments. Genetic rearrangements of the viral genome occurs as a result of duplicate operons in the viral genome undergoing homologous recombination. Environmental conditions trigger the SOS response in viruses, and leads to generation of errors/mutations in the viral genome. Viral RNA polymerases display proofreading capability in replicating the viral genome of certain viruses.