Sentences with phrase «observed in the petri dishes»
For more than a century, microbiologists have studied bacteria by isolating, growing and observing them in a petri dish.
https://www.sciencenews.org/ Not exact matches
«You can replay a disease over and over in a petri dish,» says Svendsen of the University of Wisconsin, «observing changes at the cellular level that occur long before symptoms appear.»
Great to use after pupils have observed the diffusion of a potassium permanganate crystal in water in a petri dish for themselves.