How can you stop a cell culture from becoming contaminated?

Sterilising petri dishes and agar before use. Taping lid of petri dish whilst microbes are glowing. Sterilising innoculating loops before use.Carry out experiment near bunsen burner for updraft. 

IH

Related Biology GCSE answers

All answers ▸

What is the main gas in bacteria produced biogas?


Describe and explain how the structure of the small intestine is adapted for absorbing the products of digestion.


What are chromosomes?


What is a hormone?