Viral Particle Structure

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Structures which are always present (3)

  • RNA or DNA

  • Protein Coat (Capsid)

  • Receptors

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Structure which is NOT always present

Phospholipid envelope

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What is the Phospholipid Envelope (2)

  • Made from cell membrane of host cell

  • Host cell doesn’t recognise foreign body

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Virus average size

20-400nm (very small)

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Endoparasitic meaning

  • Is a parasite - does not positively contribute to the cell

  • Lives inside the cells

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What surrounds a virus particle and what is it made of

Capsid made of protein

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What type of genetic material do viral particles contain

Nucleic acid core