If the HIV did not have a reverse transcriptase enzyme, then which of the following would apply?Select one:a. The virus can make use of the reverse transcriptase enzyme from the host cell to convert its RNA intoDNAb. Viral particles will be produced without reverse transcriptase enzyme since the original HIV is anRNA virus and needs to assemble RNA ant coat proteins togetherc. The virus will manufacture its proteins from its RNA using translation and ribosomes from host celld. Provirus will not be formed and assembly of viral particles will never occure. The virus will not be able to recognise the host cell and therefore entry into the cell is blocked

Human immunodeficiency virus (HIV) is a retrovirus that comprise a large and diverse family of…

Answered: If the HIV did not have a reverse…

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter24: Viruses And Subviral Agents

Section: Chapter Questions

Problem 2TYU

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Viruses are host-specific, meaning they can only infect specific types of host organisms. For examble, the adenovirus is responsible for the common cold in humans but your dog can't catch a cold from you. Why is this? The proteins on the virus surface can only bind with proteins on the correct host surface. It is an enveloped or non-enveloped virus. The enzymes carried by the virus are compatible with the host. The genome of the virus is made of DNA or RNA.
Which of the following statements are correct for DNA viruses? Mark all that apply. A.The genome consists of dsRNA B. A provirus stage occurs during viral replication C. The genome consists of two identical strands of DNA D. Replication requires reverse transcriptase Replication requires DNA polymerase E.The viral DNA must enter the nucleus for its replication F. Uncoating must occur for the virus to be replicated G.The viral genome acts as a template for production of viral proteins
Which of the following would be the first step in biosynthesis of a virus with a - (minus) strand of RNA? A. Synthesis of double stranded RNA from a DNA template B. Transcription of mRNA from DNA C. Synthesis of DNA from an RNA template D. Synthesis of double stranded RNA from an RNA template E. Synthesis of DNA from a DNA template
The dUTPase enzyme is used by the African swine fever virus to repair its own DNA, as the cells the virus infects in swine do not express the dUTPase protein. Which of the following is a reasonable explanation for the role of the dUTPase in the virus lifecycle? Explain your choice in 25 words or less. The dUTPase is necessary to remove dUTP from the viral genome, as uracil should not be present in DNA The dUTPase is necessary to remove dUTP from the viral genome, as uridine cannot correctly base pair with adenine-containing bases The dUTPase is necessary to remove dUTP from the viral genome, as uridine has the wrong sugar component for building DNA More than one of the above answers is correct None of the above answers is correct
OF rasc PDF Teas fill Which of the following is NOT a step in the replication of a retrovirus? A diagram illustrating the process is provided below. PDF UNOFFIC TRANSCR 59°F Mostly cloudy Virus Viral RNA Reverse transcriptase DDDDDD ↓Viral DNA Provirus mRNA mm Proteins mn Viral RNA Protease Plasma membrane Host DNA New virus O The single-stranded DNA forms a double-stranded DNA called a provirus, which is incorporated into the host cell DNA. O After a retrovirus attaches to the host cell, it injects its viral DNA and uses the host cell's machinery and materials to replicate. O After a retrovirus injects its viral RNA into a host cell, it forms a DNA strand by reverse transcription. O When the host cell replicates, a provirus produces the viral RNA needed to produce more virus particles. P O Search hun recc PDF maste omiss
The Influenza virus is a (-)ss RNA virus that _________ bring its own RNA Polymerase into the host cell with it. This virus will gain entry into host cells through _____________ by using the Hemagglutinin Spike protein present on its envelope, which allows the viral envelope to merge with the host cell membrane. Select one: a.Does not need to / Fusion b.None of the Above c.Needs to / Membrane Fusion d.Does not need to / Endocytosis e.Needs to / Endocytosis
Assume you isolate a single stranded (+) RNA virus. When you examine the proteins in the virus, you find that it does NOT contain replicase enzymes within its capsid. Which of the following is true? This virus must have a gene that encodes replicase. This virus will not be able to enter a host cell. Its genome cannot be translated (the process of translation) by the host cell ribosomes. A DNA copy of the viral genome has to be made before viral genes are expressed. This virus must lack surface antigens.
After a positive strand RNA virus ( Such as Coronaviruses) enters the host cell, the RNA is translated by ribosomes to create proteins associated with the virus (Such as, for example, the surface antigens like E and Spike proteins). How then, would the genetic material itself be replicated to be incorporated into the new viruses?.
produce a diagram of the replication of a viral genome of stranded RNA simple [+] and mRNA production via Reverse Transcriptase. Produce a diagram of the replication and early maturation of a virus wrapped Produce a diagram of the replication and early maturation of a virus naked. Produce a diagram of the release of an enveloped virus by budding.
Viruses with reverse transcriptase enzyme can make a DNA copy out of its RNA genome. What implications can this capability do in health hazards?
Virus particles are metastable because: O a. Translation is enhanced O b.lt defines their host range for infection Oc. They transition from protecting the genome to uncoating it for replication O d. lt makes them more stable in the environment
Which of the following viral nucleic acids can be used as a template to produce mRNA? Select all that apply. plus strand DNA plus strand RNA minus strand RNA minus strand DNA

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