Question: Why Do You Label The Bottom Of The Petri Dish? This problem has been solved! See the answer. Why do you label the Bottom of the Petri dish?
Oct 26, 2017 · ircle of paper was soaked in penicillin. The other had nothing on it. He poured a liquid filled with bacteria into the Petri dish. Both circles of paper were placed in the Petri dish about 3 cm apart. At the end of the experiment, a circle with a radius of 2 cm formed around the circle of paper soaked in penicillin.