Which of the following viruses have been used as vectors for gene delivery?
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- what is the genetic material of COVID-19 (the virus currently in pandemic)? Single-stranded RNA (ssRNA) Double-stranded RNA (dsRNA) Single-stranded DNA (ssDNA) Double-stranded DNA (dsDNA)Oncogenic virus cores can be_______. a. RNA b. DNA c. neither RNA nor DNA d. either RNA or DNAWhich of the following is not a characteristic of viruses that makes them difficult for drug development? They have a very simple structure. They are smaller than the host cells. They use the host's machinery for replication.
- Which of the following viruses requires a surrogate virusinfection in order to cause disease?(a) Hepatitis B (d) Rotavirus(b) Hepatitis D (e) Echovirus(c) Norwalk virusA 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 virusThe following viruses can integrate their DNA into the host genome, causing latent infections of cells, followed by later reactivation of viral production when patient is immunosuppressed: (Pick only 2) a. Herpes b. HCV c. Varicella Zoster d. Influenza A e. Corona Virus
- Viruses capable of directly use translation are considered to be: dsRNA Negative ssRNA Positive ssRNA RetrovirusesInfluenza viruses use to replicate its genome whereas retroviruses use before they can integrate their genome into the host DNA. A. reverse transcriptase; RNA dependent RNA polymerase B. RNA dependent RNA polymerase; reverse transcriptase C. replicase; DNA polymerase D. DNA polymerase, replicaseHuman 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 Rotarix is a vaccine indicated for the prevention of Rotavirus gastroenteritis caused by G1 and non-G1 types (G3, G4, and G9). Which of the following is NOT correct regards this vaccine? following immunisation, children may become irritable and experience diarrhoea ill infants or who born with SCID should not be immunized is live-attenuated vaccine derived from the G1P[8] rotavirus strain is prepared for IV administration is given in two doses None of the above Internationally, which clinical sample, at minimum, is used to diagnose COVID-19? Lung biopsy Blood Faeces…
- Which of the following are not DNA viruses?a) Hepatitis B virusb) Influenza A virusc) CMV virusd) ParvovirusAs frustrating as viruses and worms are, perhaps more time and money is spent on resolving virus __________. hoaxes polymorphisms false alarms urban legendsThe 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
