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‘Bacteria. Friend or Foe?’ Bacteria is something we are all reminded of on a daily basis by merely switching on our televisions where we are bombarded
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'Bacteria. Friend or Foe?' Bacteria is something we are all reminded of on a daily basis by merely switching on our televisions where we are bombarded with advertisements for both 'good' and 'bad' bacteria contrary to the view of the past when only so-called 'bad' bacteria was ever talked about, so what has changed? This essay will address the facts about bacteria including their ideal conditions for growth as well as looking at specific examples of how they can be both helpful and harmful to humans. So what are bacteria? In simple terms bacteria are microscopic, single-celled organisms lacking a nucleus and other organelles such as mitochondria and chloroplasts which are common place in eukaryotes. Bacteria are classified as prokaryotes and have been around for billions of years pre-dating dinosaurs never mind humans (1). Their minute size prevented them from being seen until 1683 when Antony van Leeuwenhoek invented a simple...
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