Petri-dish sentence example
- A template for the acetate grids can be prepared by drawing round the base of a petri dish on a piece of graph paper.
- With a marker pen, label each petri dish with the date.
- Sweetened black tea is fermented with the mushroom, which at this stage is the aforementioned culture of bacteria and yeasts and looks as though it was tipped straight from a Petri dish.
- A swab of the throat can be taken and smeared on a gel-like substance in a petri dish to see if bacteria will multiply and grow over 24 to 72 hours.
- Leave the Petri dish flat for a few minutes to allow the seeds to adhere to the damp filter paper.Advertisement