Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 21, Problem 26CTQ
One of the first and most important targets for drugs to fight infection with HIV (a retrovirus) is the reverse transcriptase enzyme. Why?
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HIV requires an enzyme called ______________ to convert its RNA genome to a DNA version. Why is this enzyme a particularly good target for anti-AIDS drugs?
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Chapter 21 Solutions
Biology 2e
Ch. 21 - Figure 21.5 Which of the following statements...Ch. 21 - Figure 21.8 Influenza virus is packaged in a viral...Ch. 21 - Figure 21.10 Which of the following statements is...Ch. 21 - Which statement is true? A virion contains DNA and...Ch. 21 - The viral______play(s) a role in attaching a...Ch. 21 - Viruses. all have a round shape cannot have a long...Ch. 21 - The observation that the bacteria genus Chlamydia...Ch. 21 - A scientist discovers a new virus with a linear,...Ch. 21 - Which statement is not true of viral replication?...Ch. 21 - Which statement is true of viral replication? In...
Ch. 21 - Which statement is true of reverse transcriptase?...Ch. 21 - Oncogenic virus cores can be. RNA DNA neither RNA...Ch. 21 - Which is true of DNA viruses? They use the host...Ch. 21 - A bacteriophage can infect the lungs viruses...Ch. 21 - People with the CCR5?32 mutation of a T-cell...Ch. 21 - An apple grower notices that several of his apple...Ch. 21 - Which of the following is NOT used to treat active...Ch. 21 - Vaccines. are similar to viroids are only needed...Ch. 21 - A patient presents at the clinic with an acute...Ch. 21 - Which of the following is not associated with...Ch. 21 - Which statement is true of viroids? They are...Ch. 21 - The first electron micrograph of a virus (tobacco...Ch. 21 - Varicella-zoster virus is a double-stranded DNA...Ch. 21 - Classify the Rabies virus (a rhabdovirus family...Ch. 21 - Why can’t dogs catch the measles?Ch. 21 - One of the first and most important targets for...Ch. 21 - In this section, you were introduced to different...Ch. 21 - Although plant viruses cannot infect humans, what...Ch. 21 - A bacteriophage with a lytic life cycle develops a...Ch. 21 - Why is immunization after being bitten by a rabid...Ch. 21 - The vaccine Gardasil that targets human papilloma...Ch. 21 - Prions are responsible for variant Creutzfeldt...Ch. 21 - How are viroids like viruses?Ch. 21 - A botanist notices that a tomato plant looks...
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Similar questions
- If HIV was just an enveloped virus, but not a retrovirus, which of the following drugs would likely still work? NtRTI NRTI Integrase inhibitor Entry inhibitorarrow_forwardAre the HIV-1 protease inhibitors transition state analogs? Why or why not?arrow_forwardDo you think that this occurrence of medical breakthroughs that resulted to drug-resistant viruses might be prevented? If so, how?arrow_forward
- Do you see any potential problems with inserting pieces of a retroviral genome into humans? If so, are there ways to combat or prevent these problems? (You may want to look up the definition of a retrovirus.) Explain your answer.arrow_forwardHow do you kill a virus artificially?arrow_forwardIf you were going to design a drug to fight a virus, what would be likely targets for the drug design?arrow_forward
- Viruses may be latent for a long period of time. For example, HIV may be latent for many years, during which new viruses are not made. What are three different mechanisms of viral latency?arrow_forwardIf you worked for a pharmaceutical company and wanted to develop a vaccine to prevent viral replication, how could you use your knowledge of RME to your advantage?arrow_forwardWhich of the following enzymes helps the +sense RNA virus Poliovirus to make multiple copies of its genome? A. RNA dependent RNA polymerase B. RNA dependent DNA polymerase C. Reverse transcriptase D. DNA Polymerase I E. DNA dependent RNA polymerasearrow_forward
- Which of the following models best depicts how the genetic information in a retrovirus is eventually translated into proteins? A) DNA in the retrovirus → RNA in the host cell → Proteins B) RNA in the retrovirus → DNA in the host cell → RNA in the host cell → Proteins C) RNA in the retrovirus → mRNA in the host cell → Proteins D) DNA in the retrovirus → mRNA in the host cell → Proteinsarrow_forwardHIV is a retrovirus that uses an enzyme called reverse transcriptase to reproduce. New antiretroviral drugs are used to treat pts with AIDS. Why can’t retroviruses reproduce without reverse transcriptase?arrow_forwardViruses with reverse transcriptase enzyme can make a DNA copy out of its RNA genome. What implications can this capability do in health hazards?arrow_forward
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