Introduction to Viruses

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Introduction to Viruses

  1. 1. An Introduction to Viruses
  2. 2. The DefinitionAn infective agent that typically consistsof a nucleic acid molecule in a proteincoat, is too small to be seen by lightmicroscopy, and is able to multiply onlywithin the living cells of a host
  3. 3. The DefinitionAn infective agent that typically consistsof a nucleic acid molecule in a proteincoat, is too small to be seen by lightmicroscopy, and is able to multiply onlywithin the living cells of a host
  4. 4. Lets see this in action!
  5. 5. Let’s Recap1. An infector2. No cells but has DNA protected by ashield of proteins3. Cannot reproduce on its own-needs a host4. Really, really, really small
  6. 6. So howsmallarethesethings?
  7. 7. Five Traits of Life1. Be made of 1 or more cells2. Have a metabolism3. Grow, develop, & evolve4. Reproduce5. Respond to stimuli
  8. 8. No matter if you think viruses are alive or not, we need to protect ourselves
  9. 9. Two Options
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