Why do viruses need to infect a host? A. In order to eat other viruses B. In order to reproduce C. In order to grow from eggs to adult viruses D. In order to properly socialize with other viruses
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Why do viruses need to infect a host?
| A. |
In order to eat other viruses |
|
| B. |
In order to reproduce |
|
| C. |
In order to grow from eggs to adult viruses |
|
| D. |
In order to properly socialize with other viruses |
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- What determines the specificity of viruses to their host cells? a. surface or outer proteins b. No correct answer c. capsid d. polymeraseWhat type of virus is more vulnerable to being inactivated? a. Non-enveloped b. enveloped viruses c. RNA viruses d. DNA virusesAt which stage in viral replication does the genetic information enter the host cell? a. Penetration c. Assembly b. Synthesis d. Release
- A 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? a. Rabies virus b. Picornavirus c. HIV-1 d. Influenza A virusWhich of these is true of prions?a. They are small RNA viruses.b. They replicate in the nucleus.c. They lack protein.d. They cause death of brain cells.Viral “spikes” are usually involved in A. Uncoating the virus particle B. Killing the host cell C. Attaching to the host cell to aid in entry or exit D. Replicating DNA
- What's the term to describe a mutant viral protein, apart from any genetic material, that can cause disease?O A. VirusO B. VirionO C. ViroidO D. PrionWhat is a prion? a. A highly wound circle of RNA b. A virus that has not yet acquired its envelope c. A protein that can alter the shape of a second protein d. The protein associated with a latent virusHIV is a retrovirus what does this mean? A. That is a DNA virus and it must make RNA before it can make proteins. B. That it is an RNA virus and must convert its genetic material to DNA once it enters a cell. C. That is was a virus discovered in the recent past D. That is an RNA virus and goes directly to ribosomes of host cells to reproduce Please explain your answer!
- How does a retrovirus prepare its genetic material for incorporation into the host cell genome? a. Host enzymes incorporate viral RNA directly into the genome. b. Host enzymes covert viral RNA to double-stranded viral DNA. c. Viral reverse transcriptase uses viral RNA to make double-stranded viral RNA. d. Viral reverse transcriptase uses viral RNA to make double-stranded viral DNA. e. Viral reverse transcriptase uses viral single-stranded DNA to make double-stranded viral DNA.What are prions? A. misfolded versions of normal proteins that can cause disease B. mobile segments of DNA C. tiny circular molecules of RNA that can infect plants D. viral proteins that attach to the genome of a host and cause diseaseYou are treating a patient with antiviral agent against the nucleocapsid, what part of the virus will be destroyed? a. Enveloped b. Cytoplasm c. Capsid and genetic material d. Genetic material