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GCSE Biology Paper 1 (9-1 Exams)

Cells Viruses Bacteria Differences Small Produce Toxins Damage

Bacteria are single-celled organisms, but viruses are not cells. Bacteria cause harm with toxins, while viruses damage cells from within.

Bacteria are small cells, while viruses are not cells. Bacteria produce toxins, whereas viruses live inside cells and cause damage when they burst out.

Front What are the differences between viruses and bacteria?
Back
  • Bacteria are very small cells - viruses are not cells
  • Bacteria produce toxins that damage our cells and tissues - viruses live inside cells and burst open to make us feel ill

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