A scientist inoculates an agar plate with bacteria.
The plate is now ready to be incubated.
Why do they seal the lid with two strips of tape, rather than sealing it all round the lid?
1 )
If sealed all round the lid, no bacteria could grow.
2 )
To make it easier to remove the lid after incubation.
3 )
To prevent water condensing on the lid of the Petri dish.
To reduce the chance of pathogenic anaerobic bacteria growing on the dish.
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