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Lecture 1 PROKARYOTES AND VIRUSES

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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  1. Lecture 1PROKARYOTES AND VIRUSES

  2. 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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