| You can find agar flakes, a seaweed-derived thickener, in natural food stores. |
| These are made by applying to the face a soft material such as wax, plaster, or, in modern times, agar, a vegetable gelatine. |
| To test this we cloned 12 colonies from cells that had been passaged on agar plates for 8 days. |
| A fluorescence image of 12 tobacco plantlets growing on agar within a covered Perspex Petri dish. |
| To study these bacteria he grew them in glass Petri dishes on a substance called agar, in his laboratory. |
| Starved border cells plated on to nutrient agar demonstrated no sign of contamination after 48 h incubation. |
