Some species can replicate themselves in as little as twenty minutes. We can grow bacteria in an incubator on plates of agar jelly with time, nutrients, and an optimum temperature. These girls at ...

An inoculating loop can be used to transfer bacteria. It is sterilised by heating it to red hot in a Bunsen flame, before and after use. To inoculate the agar, lift the lid of the Petri dish and tilt.