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 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 ...

coli strain that gives high-quality plasmid DNA (for example, DH10B or XL1-Blue) and plate onto selective agar media ... prepare plasmid DNA from 1.5 ml of culture using a standard miniprep ...

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 MSA will select for organisms such as Staphylococcus species which can live in areas of high salt concentration (plate on the left in the picture below). This is in contrast to Streptococcus ...