What cells does HIV infect? Explain how HIV enters these cells HIV is a retrovirus. What do retroviruses do once they have entered a host cell?
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- What cells does HIV infect?
- Explain how HIV enters these cells
- HIV is a retrovirus. What do retroviruses do once they have entered a host cell?
Why is there little to no immune response following infection by HIV?
- Why is it difficult to diagnose?
- What is the difference between HIV and AIDS?
- How does HIV lead to AIDS?
- How is HIV transmitted?
- There isn't a drug to cure HIV although drugs are used to keep the viral load low to prevent regression into AIDS. Explain how these drugs work.
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- What is the basic structure of the HIV virus? What is the function of the glycoproteins of its envelope? SARS is a disease that appeared in 2003 with epidemic features in the province of Guangdong, in east China. What type of agent causes SARS?Why does developing a HIV drug that targets viral envelope can lead to serious side effectsWhy can we use drugs for HIV, unlike many other viral infections?
- Efforts to produce an HIV vaccine have met with limited success. What aspects of the virus and its replicative strategy make it difficult to produce a vaccine against HIV? What other kind of virus might be similarly different to vaccinate against? What similarities and differences exist between the two types of virus that account for the differences in vaccine production?Why does an AIDS patient suffer from many infections?What allows the membrane of the HIV and the membrane of the host to fuse? The virus capsid dissolves in the phospholipid bilayer of the host cell membrane The virus contacts proteins on the cell membrane of the host, and then the viral proteins undergo conformational changes The virus docks at a pore, which then pulls the virus into the cell membrane due to molecular attractions
- Why can a virus multiply? Write in a 200-words (not in bulleted form please and thanks!)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 hoursExplain HIV is so difficult to treat. Why antiviral medication is a cocktail/mixture of different antiviral medications and how might they work to fight off the infection?
- does HIV have a protein coat? if yes what is its structure? what enzymes does it use for its metabolism?"Viruses without borders" is what it means? What's the reason that viral infections are going up as war, famine and disasters occur.In what part of the host cell does a herpesvirus genome replicate? Where does the viral genome reside during a latent infection?