67 free toxin photos from Freerange

Syringe containing blue solution.

Spread plate techniques.

The colony morphology of Geobacillus stearothermophilus. A thermophile that causes food spoilage.

Chemical reaction in a test tube

E. coli growing on EMB agar.

Measured mass of iodine.

Pouring petri plates for bacteria growth.

Rod bacteria viewed under a microscopy at 1000x.

Bacteria growing on a petri plate.

Microorganisms growing.

Microscope and slide.

Microbiology technique

Bromine in a reagent bottle.

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

Water sample with petri dish.

Mold being studied under the microscope.

Microorganisms growing.

pH solution in test tubes.

Chemical reaction in a test tube

Water being added to copper sulfate.

Chemical reaction in a test tube

pH solution in test tubes

Bacterial plate showing wells and bacteria.

A blue chemical solution and the molecular model of methanol.

Chemical reaction with burner.