113 free petri photos from Freerange

Female Medical Doctor Analyzing DNA strands

Different shaped colonies of bacteria, yeast and mold growing on agar plates from enviromental samples.

E. coli growing on EMB agar.

Staphylococcus aureus growing on Baird Parker agar showing black colonies and clearing zones.

Food safety pathogen Listeria monocytogenes isolated on agar from a food sample.

Different shaped colonies of bacteria, yeast and mold growing on agar plates from enviromental samples.

Food safety bacteria pathogenStaphylococcus aureus growing on Baird Parker agar with egg yolk and tellurite.

Examining a petri plate for bacteria.

Spread plate techniques.

Measuring the zone of inhibition on a perti plate.

Medical Doctors Performing DNA Analysis

Staphylococcus aureus growing on Baird Parker agar showing black colonies and clearing zones.

Microbiology testing.

Bacteria growing on a petri plate.

Staphylococcus aureus growing on Baird Parker agar showing black colonies and clearing zones.

Escherichia coli colonies growing on an agar plate.

Measuring the zone on inhibition on a perti plate.

Testing drinking water for E. coli bacteria.

Sewage bacteria growing on an agar plate.

The color of different petri plates under UV light.

Campylobacter bacteria growing on an agar plate.

Pouring petri plates for bacteria growth.

Different shaped colonies of bacteria, yeast and mold growing on agar plates from enviromental samples.

Science microscope for biology and microbiology

Food safety pathogen E. coli growing on an agar plate.