Lecture 1 prokaryotes and viruses
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Lecture 1 PROKARYOTES AND VIRUSES PowerPoint PPT Presentation


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Lecture 1 PROKARYOTES AND VIRUSES. Viral Structure. Have viral genome of DNA/RNA (ss/ds) Viral genome is surrounded by capsid. Capsid is protein coat. Coat consists of 1 or >1 types of protein subunits arranged into rod-like/polyhedral shape.

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Lecture 1 PROKARYOTES AND VIRUSES

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Lecture 1 prokaryotes and viruses

Lecture 1PROKARYOTES AND VIRUSES


Viral structure

Viral Structure

  • Have viral genome of DNA/RNA (ss/ds)

  • Viral genome is surrounded by capsid.

  • Capsid is protein coat.

  • Coat consists of 1 or >1 types of protein subunits arranged into rod-like/polyhedral shape.

  • Coat protein - protects the viral genetic material during the journey to a new host cell.

  • Some have additional structural features, such as the envelope of animal viruses or the tail of bacteriophages.


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