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Bacteria What are they? Bacteria consist of just 1 single cell. There are many different types. They are tiny – you could fit 50 across the width of a single hair! Where are they found? Bacteria are everywhere – food, soil, the air. There are 100 billion inside your body – weighing almost 1 kg. What do they look like? Bacteria can be different shapes– some rods, some balls, some spirals! Examples Bad - MRSA (or Methicillin Resistant Staphylococcus aureus!) – causes nasty abscesses – a hospital ‘superbug’ Good - Lactobacillus – makes cheese and yoghurt. 0ppo
