Lecture 21 evo and viruses

Lecture 21 evo and viruses -...

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FINAL EXAM Wednesday December 19 8:00 - 10:15 am Parks Auditorium
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Topics for Final Exam Evidence for Evolution Darwin - How He Changed How We Viewed the World Why Genetics Matters and Mutations Hardy-Weinberg Equilibrium Sources of Genetic Variation Natural and Artificial Selection Genetic Drift and Gene Flow Speciation Molecular Clock DEVO EVO Emergence of the Human Species Mass Extinction Events- Times Past. Extinction Today Evolution and Global Climate Change Evolution and Human Health
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Evolution in the News
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Evolution in the News Who needs to present?
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AIDS has killed more than 25 million people, with an estimated 38.6 million people living with HIV, making it one of the most destructive epidemics in recorded history.
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http://www.youtube.com/watch?v=6A2zlbMPcX4 How serious is the AIDs threat? http://www.warshooter.com/blog/admin/zoriah-aids-in-asia
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Aids is one of the world's most deadly contagious diseases. It has become the number one killer in Africa, overtaking malaria. How serious is the AIDS threat? Aids is a major killer in many developing countries, but, due to expensive new drugs, it has become almost a treatable condition in the developed world.
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Maps of AIDS Current understanding of the global distribution of HIV-1 strains. LINK
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Worldwide, 40 million people are estimated to be infected with HIV. How many don't know they are infected? A)40% B) 50% C) 90%
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CDC estimates that roughly 1 million Americans are living with HIV in the United States, but approximately 1/4 of those do not know that they are infected. In a recent five-city study among men who have sex with men, 25% were HIV-positive, and nearly 1/2 of those infected did not know it. The proportion that were unaware of their infection was closer to 2/3rds for black men, and nearly 80% for men aged 18-24.
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Aids is caused by a virus called HIV which is able to break down the immune system, making the patient prone to a range of opportunistic infections. What is AIDS?
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The HIV virus is best characterized as A.a virus with a DNA genome and no membrane. A.a retrovirus in which the capsid is surrounded by a membrane. A.a virus with a DNA genome surrounded by a membrane. A.a retrovirus with a "naked" capsid (a capsid without a membrane).a prokaryotic euglenoid.
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AIDS virus AIDS virus
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http://www.youtube.com/watch?v=KMUzcHEHtF4 AIDS INFO
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http://www.youtube.com/watch?v=ar61VqYnw8A MORE AIDS INFO
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Unlike a flu virus, which can live for hours outside a human body and can be easily spread through the air or other surfaces,
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Lecture 21 evo and viruses -...

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