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 ...

Here's how you paint with bacteria. Maria Peñil Cobo: Today, I'm gonna draw a dandelion, and those are my brushes. Narrator: Agar is a jellylike substance made from red seaweeds used to culture ...

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 ...

An inoculating loop can be used to transfer bacteria ... agar plates are incubated at 25°C in school laboratories for no more than 24–48 hours. This encourages growth of the culture without ...