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Viruses that persist in the cell and cause recurrent disease are considered
a. oncogenic
b. cytopathic
c. latent
d. resistant
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- CAN Corynebacterium diphtheriae be infected by a viruses. I know it is a bacteria but I need to know if it is possible for it to be infected by a virus. Please be specific but in terms that is easy to understand. PLEASE answer this specif question. I don't need to know the causes, effects, outcomes, etc of Corynebacterium diphtheriae. I already know that stuff, I need this specific question answered. THANK YOU.Clear select Which of the following statements concerning viruses and human health is 1 false? O in many diseases caused by viruses, the virus attacks cells as it reproduces O many viral diseases can be controlled through vaccinations O some viruses can remain dormant in the body for years before disease symptoms appear O most viral infections are difficult to treat, but they can be finally destroyed by antibioticsThe 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.
- Which of the following effects do antiviral drugs not have?a. destroying extracellular virusesb. stopping virus synthesisc. inhibiting virus maturationd. blocking virus receptorsA person is infected with HIV. The individual is treated with several drugs, including azidothymidine (AZT). Which of the following is the most immediate effect of this drug? O It inhibits formation of the capsid. O It does not allow the viral genome to become integrated into the host genome. O It allows reverse transcriptase to proofread, and this will allow successful treatment with a vaccine. O It does not allow the virus to make a DNA copy of its genome.The lytic cycle of a bacteriophage can be characterized by A large number of phages are released at a time. The virus-host relationship usually lasts for generations. The viral genome replicates without destroying the host. Viral DNA is incorporated into the host genome.
- You should not take antibiotics for diseases causedby viruses. Explain why or why not.Which of the following is a similarity between viruses of bacteria (bacteriophages) and viruses of algae? These viruses will enter host cells by membrane fusion. They infect host cells by injecting nucleic acid (i.e., capsid does not enter cell) After replication in a host cell, the newly-assembled viruses will exit the cell by budding. These viruses are taken into host cells by phagocytosis.A viral envelope: is coded for in a viral genome is found within the capsid is not a true plasma membrane is part of some bacteriophages
- What 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 hoursHIV - is a virus with RNA as the genomic material - is a retrovirus that reverse-transcribes its genome from RNA to DNA as part of its life cycle - causes AIDS - uses CD4 and CCR5 as receptor and co-receptor for entering the host cells - All of the aboveThe illustration best describes: A dormant bacterial infection A dormant viral infection An active bacterial infection An active viral infection