3. Streak plate – the original culture is directly diluted across an agar surface using an inoculating loop. This is a simple & rapid method. All of these methods dilute or “thin out” a heavy ...

In agar culture mediums containing 0.1% agar, the gel, composed of colloidal particles in a state of equilibrium, resists the penetration of oxygen and consequently offers excellent conditions for the ...

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 ...

The MSA will select for organisms such as Staphylococcus species which can live in areas of high salt concentration (plate on ... swim through the agar (be motile). SIM is commonly used to ...

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 ...