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Viruses
Viruses
Viruses
Viruses
Viruses
Viruses
Viruses
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Viruses

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  • 1. Viruses & Bacteria Chapter 17 Biology 11 Presentation put together by Mandie Lynn Walls
  • 2. What are Viruses
    • A virus is a non-cellular particle made up of genetic material and protein that can invade living cells.
  • 3. T4 Bacteriophage
  • 4. The Structure Of a Virus
    • Viruses are composed of a core of nucleic acid
    • The Nucleic acid core is surrounded by a protein coat called a capsid
    • The Nucleic core is either made up of DNA or RNA but never both
  • 5.  
  • 6. List of Diseases Caused by Viruses
    • Cold
    • Flu
    • Smallpox
    • Measles
    • Mumps
    • AIDS
    • Eboli
    • Chicken Pox
    • Viral pneumonia
    • Fever blisters
    • Mononucleosis
    • Rabies
    • Hepatitis
    • Gastrointestinitis
    • Warts
  • 7. How are Viruses Transmitted?
    • A cold can spread by coughing and/or sneezing
    • Touching or shaking hands
    • Touching food with dirty hands will also allow viruses or bacteria from the intestine to spread
    • Body fluids, such as blood and saliva can contain the infecting organisms and transmission of such fluids can cause the spread of the virus

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