Revision Notes

1.6 Viruses

Extended Only

Features of Viruses

  • Viruses are not part of any classification system as they are not considered living things
  • They do not carry out the seven life processes for themselves, instead they take over a host cell’s metabolic pathways in order to make multiple copies of themselves
  • Virus structure is simply genetic material (RNA or DNA) inside a protein coat


Structure of a typical virus, IGCSE & GCSE Biology revision notes

Structure of a typical virus

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Jenna studied at Cardiff University before training to become a science teacher at the University of Bath specialising in Biology (although she loves teaching all three sciences at GCSE level!). Teaching is her passion, and with 10 years experience teaching across a wide range of specifications – from GCSE and A Level Biology in the UK to IGCSE and IB Biology internationally – she knows what is required to pass those Biology exams.

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