HIV research task Use the HIV article to answer the following questions: • When was HIV first identified? • How many people are estimated to be living with HIV? • Draw a labelled diagram of HIV and briefly explain the functions of each part
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- • All living things must be able to feed, grow and reproduce on their own. A virus can only carry out these life processes in or on a host organism. Do you think a virus is a living thing? Discuss (write at least three main points).hello sir Explain in detail about Sequence of host reaction following implantation of medical devices or biomaterial???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?
- What are the most encouraging words and messages to tell a newly diagnosed COVID-positive patient? And how to make your colleagues and other health workers feel better when inflicted with the virus?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.Read in eTextbook - Chapter 19 page 405 - Replicative Cycles of Animal Viruses especially see Figure 19.8 The replicative cycle of an enveloped RNA virus After reading you need to do 2 things - see A and B below. A) Post an original post answering the 2 questions. using at least 6-8 sentences per answer. question 1: what are 2 good potential targets in SARS-CoV2 virus to stop it from functioning ? (HINT: Think antibodies targeting important viral proteins) question 2: what is the Pfizer Vaccine composed of? what does it target in SARS-CoV2 virus? Can you connect it to any concept from Ch 17 in your course?
- Viruses can easily mutate exchange genetic material, mechanisms referred to as antigenic drift and antigenic shift. These changes allow the virus to evade the immune system defenses. Match each term with the correct definition Antigenic drift [ Choose ] [Choose ] Different strains of a virus or strain of different viruses, combine and form a new strain that now has a mixture of the surface antigens Antigenic shift The virus changes genetically by accumulating mutations within the genes that code for antibody-binding sitesWhy haven’t scientists been able to develop vaccines against HIVand the common cold?Can i get a help answering this question: The case study tells you that the HIV virus exits the cell by budding, but how can you tell that just based on the structure of the HIV virus? (see attached for the case study)
- Why does developing a HIV drug that targets viral envelope can lead to serious side effects• Discover (in recent literature published online) 1. the biochemical mechanism by which the SARS-CoV-2 interact with host cells 2. why SARS-CoV-2 cause respiratory distress • Would it be possible to use the HIV reverse transcriptase inhibitors against the SARS-CoV-2, knowing that it is also a virus with reverse transcriptase? (back up your opinion or answers with literature available; take note of your references)Describe 4 differences and 4 similarities between viral lytic and lysogenic phases. * For each difference clearly state the reason why lytic is different from lysogenic using technical biological terms.* For each similarity you can just state what is the reason(s) the 2 phases are similar. Essay Limit: 300 words Book: Biology (Campbell) 11 edition Urry. Cain. Wasserman. Minorsky. Reece