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Animal virology

Chapter 17 Bio

Subject: 
Biology
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Tags: 
Biology
microbiology
Bacteriophages
Virology
Molecular biology
RNA viruses
Virus
Lytic cycle
DNA virus
Lysogenic cycle
Animal virology
Viral envelope
health

Chapter: 17 Viruses Overview: A Borrowed Life ? A virus is an infectious particle consisting of little more than genes packaged into a protein coat ? Viruses lead ?a kind of borrowed life?, existing in a shady area between life-forms and chemicals. ? Viruses called bacteriophages can infect and set in motion a genetic takeover of bacteria, such as Escherichia coli. ? A virus consists of a nucleic acid surrounded by a protein coat. ? Virus lack the metabolic machinery found in a cell, thus they can?t reproduce or carry out metabolism. Concept 17.1 A virus consist of a nucleic acid surrounded by a protein coat ? Virus smaller than a ribosome and even the largest virus is barely visible under light Microscope ? Some viruses can be crystalized

Two Historical And Two Modern Examples of Disease Outbreaks

Subject: 
World History
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Tags: 
health
Medicine
Pandemics
Epidemiology
Public health
Global health
Biological hazards
Animal virology
Influenza
Flu pandemic
Swine influenza
Smallpox
Environment
disease

Two Historical Disease Outbreaks Black Plague- This was one of the world?s most deadly pandemics in history. It killed anywhere from 75 to 200 million people during the years of 1348-1350. It was nicknamed the Black Death and started in China but took full effect in Europe. Smallpox- This was an ?Old World? disease that almost all Europeans were immune to, but when they began to explore and conquer South America they brought it to the Natives and it is estimated that over 95% of the natives died because of this disease Two Modern Examples Swine Flu- H1N1 is a highly contagious and deadly disease that spreads easily which makes it susceptible to worldwide outbreaks. In 2009 a worldwide pandemic occurred and there was much hysteria over the disease
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