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Episode Markers
  • 00:25
     
    #viruses are not alive   
    Contrary to popular belief, viruses are not alive.
  • 01:49
     
    #discovered in the late 19th century   
    Viruses were discovered in the late 19th century when examining certain diseases that afflicted plants.
  • 02:48
     
    #rod-shaped or helical   
    Some are rod-shaped or helical, like the tobacco mosaic virus.
  • 02:55
     
    #icosahedral in shape   
    Some are icosahedral in shape, like an adenovirus.
  • 03:00
     
    #spiked membranous envelope   
    Some have a spiked membranous envelope, like the influenza virus.

Viruses: Molecular Hijackers

Most of us know about viruses, and that they spread disease. But what is a virus exactly? Is it alive? How does it infect a host? There's a lot to discuss here! Take a look. Subscribe: http://bit.ly/ProfDaveSubscribe ProfessorDaveExplains@gmail.com http://patreon.com/ProfessorDaveExplains http://professordaveexplains.com http://facebook.com/ProfessorDaveExpl... http://twitter.com/DaveExplains Biology Tutorials: http://bit.ly/ProfDaveBio Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 Mathematics Tutorials: http://bit.ly/ProfDaveMaths American History Tutorials: http://bit.ly/ProfDaveAmericanHistory






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