Viruses: not a cell
General Science · Grade 10 · about 40 minutes
A virus is genetic material in a protein coat. It only reproduces inside a host cell, which is why antibiotics fail.
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- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Microorganisms and how they spread
- Preventing infection, and the microorganisms we need
- Bacteria: cells that divide in two
- Fungi: threads, yeasts and spores
- Viruses: not a cell
- Observing microorganisms safely
- Spread by air: droplets and coughing
- Spread by water and food
- Vectors, wounds and body fluids
- Infections that matter in Kenya
- Vaccination: a safe first meeting
- Hygiene and community control
- Useful microorganisms in food and medicine
- Useful microorganisms in soil and waste