Work in a well-ventilated area. Clip paper clips to opposite sides of the petri dish, with longer ends on the inside, nearly touching the bottom. Place the petri dish on a piece of white paper for ...

There are small petri dishes, there are large petri dishes, and then there is MEGA, an enormous, 2-foot-by-4-foot slab of black agar infused with a gradient of antibacterial drugs. Researchers built ...

Beaker A glass container with a pouring lip ... that are normally too small for the human eye to see, e.g. cells. Petri dish A glass or plastic circular dish. Used in combination with agar ...