Evolutionary Analysis (5th Edition)
5th Edition
ISBN: 9780321616678
Author: Jon C. Herron, Scott Freeman
Publisher: PEARSON
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Textbook Question
Chapter 1, Problem 10Q
Suppose that HIV were the ancestor of the SIVs, instead of the other way around. If immunodeficiency viruses were originally transmitted from humans to monkeys and chimpanzees, make a sketch of what Figure 1.25a would look like.
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Draw a diagram illustrating how retroviruses, such as HIV, make copies of themselves.
Describe the role that chimpanzees played in the evolution of HIV-1.
Explain how HIV transferred from animals to humans.
Chapter 1 Solutions
Evolutionary Analysis (5th Edition)
Ch. 1 - Prob. 1QCh. 1 - Prob. 2QCh. 1 - Prob. 3QCh. 1 - Given the risk of evolution of resistance, why do...Ch. 1 - Prob. 5QCh. 1 - Prob. 6QCh. 1 - In a monograph published in 1883, Alexander Graham...Ch. 1 - Design a study to test our prediction that human...Ch. 1 - Prob. 9QCh. 1 - Suppose that HIV were the ancestor of the SIVs,...
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- According to your own understanding, what do you think makes viruses some of the most common disease causing organisms? Explain comprehensivelyarrow_forwardThe rabies virus has an extremely broad host range. It has been found in a large number of mammals, birds, and may infect insects and reptiles. Hypothesize what may be true about this virus to give it such a broad host range.arrow_forwardWhich came first virus or man? Why viruses infect humans the way they do?arrow_forward
- Influenza vaccines must be changed yearly because the amino acid sequence of the viral proteins change gradually over time. Based on this information, which is the most logical conclusion? The influenza virusa) is enveloped. b) is non-enveloped.c) has a DNA genome. d) has an RNA genome.e) causes a persistent infection.arrow_forwardA virologist develops a drug that specifically targets step 5 of the reproductive cycle of an enveloped virus. Briefly explain what effect this would have on the virus.arrow_forwardWhat are two things that are true about all known viruses? Hint: one relates to the virus itself, the other relates to the ability of the virus to reproduce (replicate).arrow_forward
- HIV 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!arrow_forwardThe first virus studied that led to the term "filterable virus" was rabies?arrow_forwardGive some example of animal viruses.arrow_forward
- viruses and human health is false? a- in many diseases caused by viruses, the virus attacks cells as it reproduces b- many viral diseases can be controlled through vaccinations c- some viruses can remain dormant in the body for years before disease symptoms appear d- most viral infections are difficult to treat, but they can be finally destroyed by antibioticsarrow_forwardCompare and contrast the life cycles of influenza virus and HIV virus.arrow_forwardIs a Virus considered living or non-living? Justify your answer and Give one example of a virus.arrow_forward
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