Microbes & Safety Biology B3 AQA

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  • Created by: Harriet
  • Created on: 18-05-11 19:41

Microbes grown in a culture medium. Need carbohydrates as an energy source plus minerals ions & occassionally supplementary proteins and vitamins. Nutrients usually added to agar jelly, which is poured into Petri dishes.

Equipment is Sterilised

If it's not, unwanted microbes will contaminate end product. Unwanted microbes may…


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