Q: Which of the following viruses causes chronic persistent infections? a. hepatitis B c. parvovirus b.…
A: Virus, irresistible specialist of little size and straightforward structure that can duplicate just…
Q: Which virus structure is found ONLY in viruses that infect animal cells? Capsid (protein coat)…
A: Introduction A virus is not regarded as a biological thing. It's just a strand of genetic material…
Q: The genome of a virus consists of (a) DNA (b) RNA (c) prions (d) DNA and RNA (e) DNA or RNA
A: Viruses are obligate parasites that can reproduce only inside the host cells. They also do not have…
Q: what is the genetic material of COVID-19 (the virus currently in pandemic)?…
A: COVID-19 is an emerging infectious disease caused by severe acute respiratory syndrome coronavirus 2…
Q: The ebola virus is ______ times larger than the rhinovirus. A. same size B. 10 C. 100 D.…
A: A virus is a submicroscopic organism which contains genetic information either in the form of DNA…
Q: The process of creating conditions in which viruses evolve reduced virulence is attenuation.…
A: Virulence is the harm caused by pathogen infection, particularly in terms of host morbidity and…
Q: Which of the following are not DNA viruses?a) Hepatitis B virusb) Influenza A virusc) CMV virusd)…
A: Viruses have diversity in terms of the structure, the method of replication, host and target cells.…
Q: Which of the following viruses requires a surrogate virusinfection in order to cause disease?(a)…
A: In efficacy testing, the chemical inactivation cannot be determined for all viruses, because some…
Q: Classify the following viruses according to Baltimore classification by completing table. Virus:…
A: Introduction Smallpox is a caused by the variola virus. It is highly contagious and serious…
Q: rna or dna double strand or single strand linear or circular capsid structure H1N1 viruses (Swine…
A: Virus are infectious, disease causing agent present in air & replicates only in host completing…
Q: Viruses Can Be __________ and Counted in Plaque ____________ .
A: Viruses are infectious agents that are non-cellular and composed of genetic material covered by a…
Q: The image of the virus as shown below is part of the family of O ORTHOMYXOVIRIDAE O POXVIRIDAE O…
A: The basic components of a viral particle include nucleic acid and nucleocapsid. The capsid protects…
Q: The image of the virus as shown below is part of the family of O FILOVIRIDAE O HEPADNAVIRIDAE…
A: Some viruses are covered with envelope proteins. This envelope serves as the protective cover of the…
Q: virion. Describe how the Baltimore classification system classifies viruses.
A: An infectious agent that can only replicate within a host organism is commonly refers as the virus.…
Q: Please answer the following. Name of Virus Parainfluenzae viruses Corona viruses Polio viruses…
A: Introduction Polio eradication is a global public health cause. The polio virus causes acute and…
Q: Which of the following viruses belong to retroviruses? O a. 5mall pox O b. None .. O c. Rabies O d.…
A: A retrovirus is a kind of virus that places a copy in the host cell's DNA of its RNA genome and…
Q: The image of the virus as shown below is part of the family of CALCIVIRIDAE RETROVIRDAE O POXVIRIDAE…
A: Viruses that belong to different families have different structures, morphology, and shapes. Some…
Q: infection mechanism
A: Viruses are submicroscopic infection agents that lack the capacity to live outside a host body. They…
Q: A graduate hopes to cultivate large numbers of a particular virus in the lab. How could this be…
A: Viruses are the obligate parasite that require a proper condition for their growth. Unlike all the…
Q: The virion illustrated below is a O Bacteriophage O Adenovirus O poxvirus HIV retrovirus
A: Viruses are not categorized as living organisms and also not categorized as non-living. When inside…
Q: The envelope of an animal virus is derived from the_______________of its host cell.a. cell wallb.…
A: Viruses are considered non-living particles. For their reproduction and growth presence of host…
Q: Why is making hypothetical virus important? Note this is not a writing assignment
A: A virus is a microscopic infectious agent that replicates only inside an organism's living cells.…
Q: Match terms with descriptions based on the text above. You can use an answer more than once or not…
A: The terms prevalence and incidence are used to characterize the magnitude of a condition in a…
Q: The International Committee on Taxonomy of Viruses (ICTV) has established nomenclature rules for…
A: A virus is a microscopic, infectious agent that is simply genetic information enclosed in a protein…
Q: Host specificity of a virus is due to 1) similarities in size between the virus and the host cell.…
A: Viruses are intracellular parasites that are obligate. A virus must bind to a "living cell" that can…
Q: List three ways in which a virus differs from its prokaryotic host. Number these 1. 2. and 3
A: Microorganisms are the organism which cannot be seen as such through naked eyes, so they need…
Q: A class of viruses that can create double-stranded DNA copies of their RNA genomes. These copies of…
A: The genomes of many animal viruses are made up of double-stranded DNA. Herpesvirus is a simple virus…
Q: Influenza virus uses______ which is found in the envelope spikes, to adhere to the host cell"
A: * Influenza virus will attacks respiratory system by entering the nose, throat and lungs. *Influenza…
Q: what could be the root causes why the COVID-19 Virus continue to spread? Name 5 main causes..
A: Viruses are infectious microparticles that cannot replicate independently. They infect the…
Q: Where do - ss RNA viruses assemble? O 1) golgi O 2) nucleus 3) cytoplasm O 4) both the nucleus and…
A: A virus is a submicroscopic organism that contains genetic information either in the form of DNA…
Q: Column A Column B I. II. III. Minus strand RNA P. Retroviridae Q. Herpesviridae S. Baculoviridae T.…
A: Retroviridae:- Retroviridae has positive sense RNA strand. (Plus strand RNA). Herpesviridae:-…
Q: The _________ classification system organizes viruses by their type of genome.
A: Any infectious agent or microorganism (Virus, bacterium, protozoa, ETC) that can cause disease is a…
Q: Which one of the options shown below is a common mechanism of entry in some enveloped viruses?…
A: Viruses are tiny infectious agents that can cause a wide range of diseases in humans, animals, and…
Q: write seven defined characteristics of the infectivity of the viru
A: Viruses are packets of infectious nucleic acids surrounded by the protective coats. They are the…
Q: The of the virus are responsible for attaching to the host cell O capsomeres nucleic acids viral…
A: Viruses are infectious agents that are non-cellular and composed of genetic material covered by a…
Q: A common characteristic of viruses is that they contain both RNA and DNA in their genome. True…
A: Viruses are intracellular parasites which require host cells to replicate and increase in numbers.…
Q: Please refer to the passage to help you answer this problem. Which of these characteristics is NOT…
A: Viruses- they are agent with small size and simple composition that can multiply only in living…
Q: Shape of a virus is determined by its envelope. Select one: O True O False
A: An infection is an infectious agent of small size and basic composition that can duplicate just in…
Q: Which of these is not a general pattern of virus morphology?a. enveloped, helical b. naked,…
A: Virus is generally a nucleoprotein and ultramicroscopic entity which only becomes active inside a…
Q: The image of the virus as shown below is part of the family of O NAVIRIDAE O ORTHOOMYXOVIRIDAE O…
A: Viruses are microorganisms that are capable of reproduction only when it is inside a living cell of…
Q: Homopetran are most common vectors of plant viruses
A: Homopteran is the species sucking insects, these are plant feeders and having mouth part adapted for…
Q: Please tap on the portion of the image that represents the membrane of the virus ( on the right side…
A: Many viruses are surrounded by a continuous bilayer membrane studded with viral proteins. Its…
Q: Below is a figure for the cycle of the Influenza virus. Explain the shape.
A: Influenza virus(Flu virus) is a virus that cause flu by attacking lungs,throat and nose.This virus…
Q: Fill in the table. An example below is attached as a guide. Disease: Influenza A Microorganism:…
A: Influenza It is a viral infection that is caused by the influenza virus. It is commonly called flu…
Q: Define the following terms: a. virus b. virion c. capsid d. retrovirus e. enveloped virus
A: Introduction: Pathogens are the organisms that cause disease. Different types of pathogens are…
Q: Virus Subspecies are designated by a number a. True b. False
A: Taxonomic studies are not recently started but are done from ancient times by humans. Humans have a…
Q: give me information on one RNA or DNA virus that infects fungi, invertebrates or vertebrates
A: Viruses are microscopic parasites that lack the capacity to thrive and reproduce outside the host…
Q: Why does the environmental conditions not really matter to the virus right now? In other words why…
A: Normally temperature does affect the growth of the viruses because temperature directly affects the…
Step by step
Solved in 2 steps
- 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.Viruses in the Herpesviridae family are double-stranded DNA enveloped viruses. Specifically the virus Varicella can cause chickenpox, which when in adults is called ___________. This can exist as a ____________ in the DNA of host cells. Select one: a.herpes/ Provirus b.measles/ Provirus c.Shingles / Prophage d.None of the Above e.Shingles / ProvirusThe International Committee on Taxonomy of Viruses (ICTV) has established nomenclature rules for viruses. Which of the following would be considered a viral family name? Rotavirus Adenovirus Poxviridae Herpevirales
- Oncogenic virus cores can be_______. a. RNA b. DNA c. neither RNA nor DNA d. either RNA or DNAA virus consists of a molecule of________ or_______surrounded by a(n)___________ coat. A virus cannot reproduce unless it enters a(n)_________ cell. A virus that infects bacteria is known as a(n) ________.MCQ A) One of the following is NOT of the characteristics of herpesviridae? Can be dormant in the host cell Some genera can cause cancer In some cases, it can reactivate and cause disease for life In some cases, it can cause no disease Viral nucleic acid is found in the host cell’s cytoplasm Air-borne and water-borne Both A and C Both E and F Both D and E B) Human Papillomaviruses are characterised by all of the following EXCEPT A genome of double-stranded circular DNA encoding around eight open reading frame These viruses are small naked and icosahedral They replicate in dividing cells and encodes three oncogenic proteins E5, E6 and E7 These viruses transmit primarily by nosocomial infection in hospitals HPV serotypes 14, 16, 18, 31, 45 are known to cause cervical cancer C) Internationally, which clinical sample, at minimum, is used to diagnose COVID-19? Lung biopsy Blood Faeces samples oropharyngeal or nasopharyngeal swab lower respiratory specimens: sputum (if produced)…
- Which of the following are not DNA viruses?a) Hepatitis B virusb) Influenza A virusc) CMV virusd) ParvovirusThe rabies virus is a negative strand single stranded RNA virus, simply referred to as (-) ssRNA. Describe how this virus produce mRNA and replicates its genome.What property of the retroviruses enables them to integrate into thehost genome?a. the RNA they carryb. presence of glycoprotein receptorsc. presence of reverse transcriptased. a positive-sense genome
- Structurally, a virus consists of a. DNA and RNA b. Capsid c. Protein molecule at its core d. All of the aboveHow common is ABV in the USA? In the United States, over half of adults have been infected with ABV by age 40. Once ABV is in a person's body, it stays there for life and can reactivate. Match terms with descriptions based on the text above. You can use an answer more than once or not at all. "Over half of adults have been infected with ABV by age 40." ABV could belong to this group of viruses: A. Human Papilloma Viruses B. Incidence of ABV C. Herpesviruses D. Prevalence of ABV by age 40The different major groups of viruses (families) differ in: host range. the type of genetic material they have. virion size. genome size. presence or absence of an envelope.