There are three methods commonly used to derive a pure culture: 1. Spread plate – the original culture is diluted serially and a small volume of the final dilution is spread on the surface of an agar ...

The purpose of this practical is to investigate the effect of antiseptics or antibiotics on bacterial growth using agar plates and measuring zones of inhibition. This allows the selected bacteria ...

Close the lid of the agar plate and place the pipette in disinfectant. Reason – this solution contains the bacteria that will grow on the agar. Reason – this allows a lawn of bacteria to be ...