CULTURING MICROORGANISMS

• what are 3 pieces of equipment we keep sterile before conducting this pratical

  petri dish

  culture medium

  inoculating loop
• Why are cultures incubated at higher temperatures in industry?


  to produce faster results
• Why do we store the Petri Dish upside down?


  stops additional bacteria comtaminating the plate
• What is an inoculating loop?


  a tool to take microorganisms
• What is a culture medium?


  a gel which is used to grow bacteria or microorganisms
• What three pieces of equipment do we sterilise before use when culturing microorganisms?


  petri dish inoculating loop and agar plate
• What temperature do we keep cultures at in school?


  25 degrees to reduce the chances of growing harmful pathogens
• Why is agar jelly used in culturing microorganisms?


  to help feed and grow bacteria and other microorganisms.
• Why do we lightly tape the lid of the Petri Dish?


  avoids any microorganisms from entering the petri dish