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GCSE Biology Paper 1 (9-1 Exams)

Petri Sterilised Dish Steps Needed Prepare Uncontamined Culture

Front What are the steps needed to prepare an uncontamined culture?
Back
  • The Petri dishes and culture medium must be sterilised before use
  • The innoculating loop should be sterilised by passing through a hot flame
  • The lip of the Petri dish should be lighly taped on
  • The Petri dish should be stored upside down

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