Obtaining a pure culture of bacteria is usually accomplished by spreading bacteria on the surface of a solid medium so that a single cell occupies an isolated portion of the agar surface. This single ...

In my own brief foray into the laboratory as an undergrad, I poured agar into probably hundreds of petri dishes, a tedious but necessary first step for many experiments. The lab where Protacio ...

The purpose of this practical is to investigate the effect of antiseptics or antibiotics on bacterial growth using agar plates and ... will complicate the experiment and possibly confuse the ...